# From eight different books, in how many ways can any four of them be arranged side by side on a bookshelf? 24 70 1,680

###### Question:

From eight different books, in how many ways can any four of them be arranged side by side on a bookshelf?
24
70
1,680

### . The compound, C6H16N2 , is one of the starting materials in the production of nylon. It can be prepared from the following reaction involving adipic acid, C6H10O4 : C6H10O4(l) 2NH3(g) 4H2(g) £ C6H16N2(l) 4H2O(l) What is the percentage yield if 750. g of adipic acid results in the production of 578 g of C6H16N2 ?

. The compound, C6H16N2 , is one of the starting materials in the production of nylon. It can be prepared from the following reaction involving adipic acid, C6H10O4 : C6H10O4(l) 2NH3(g) 4H2(g) £ C6H16N2(l) 4H2O(l) What is the percentage yield if 750. g of adipic acid results in the production of...

### What is a substrate?

What is a substrate?...

### Which d these statements is true about the oxygen revolution? A- Cyanobacteria were the first organisms to introduce oxygen into the atmosphere. B- Protocells were the first organisms to produce oxygen in water, which then escaped into the atmosphere. C- Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.

Which d these statements is true about the oxygen revolution? A- Cyanobacteria were the first organisms to introduce oxygen into the atmosphere. B- Protocells were the first organisms to produce oxygen in water, which then escaped into the atmosphere. C- Cyanobacteria were the first organisms to pro...

### In 14.987 what place value is the 7 in

in 14.987 what place value is the 7 in...

### Help quickly as possible thank you :) ​

Help quickly as possible thank you :) ​...

### French. fill in the blank.mes amis_17 ans ​

french. fill in the blank.mes amis_17 ans ​...

### 26. A footbal player punts a ball. The path of the ball can be modeled by the equation y=--0.004x+ - 25 wherex is the horizontal distance, in feet, the ball travels and y is the height, in feet, of the ball. How far horizontally from the football player will the ball land? Round to the nearest tenth of a foot

26. A footbal player punts a ball. The path of the ball can be modeled by the equation y=--0.004x+ - 25 wherex is the horizontal distance, in feet, the ball travels and y is the height, in feet, of the ball. How far horizontally from the football player will the ball land? Round to the nearest tenth...

### Click to read a passage from "Lifeboat Ethics" by Garrett Hardin. Then answerthe question.Which statement is an example of Hardin's use of deductive reasoning in thispassage?A.Harden explains that large populations put a strain on the environment and uses India to support that idea.B.Hardin states that India is a good example of a country that uses its resources well.C.Harden reasons that larger populations are fewer resources because they live in cities.D.Harden explains that it's not a problem

Click to read a passage from "Lifeboat Ethics" by Garrett Hardin. Then answerthe question.Which statement is an example of Hardin's use of deductive reasoning in thispassage?A.Harden explains that large populations put a strain on the environment and uses India to support that idea.B.Hardin states t...

### Plz help I will give brainiest.

plz help I will give brainiest....

### Economist: On average, the emergency treatment for an elderly person for injuries resulting from a fall costs $11,000. A new therapeutic program can significantly reduce an elderly person's chances of falling. Though obviously desirable for many reasons, this treatment program will cost$12,500 and thus cannot be justified. Which of the following, if true, most seriously undermines the conclusion of the argument? (A) Among elderly people who had followed the program for only a few months, the nu

Economist: On average, the emergency treatment for an elderly person for injuries resulting from a fall costs $11,000. A new therapeutic program can significantly reduce an elderly person's chances of falling. Though obviously desirable for many reasons, this treatment program will cost$12,500 and ...

### If a star is 3 ly from Earth, how long does it take light from the star to reach Earth?

If a star is 3 ly from Earth, how long does it take light from the star to reach Earth?...

### In a particular population, the allele frequency of the ABO blood type alleles are as follows: IA is 20%, IB is 30% and i is 50%. If mating is random and the population is in Hardy-Weinberg equilibrium, what percentage of the population will have type O blood type

In a particular population, the allele frequency of the ABO blood type alleles are as follows: IA is 20%, IB is 30% and i is 50%. If mating is random and the population is in Hardy-Weinberg equilibrium, what percentage of the population will have type O blood type...

### Given r= 10 and e=0.57, find the Cartesian coordinates. Check your answer. a. (10, 0.274) C. (0, 10) b. (-2.20, -9.86) d. (8.86, -2.20) Please select the best answer from the choices provided

Given r= 10 and e=0.57, find the Cartesian coordinates. Check your answer. a. (10, 0.274) C. (0, 10) b. (-2.20, -9.86) d. (8.86, -2.20) Please select the best answer from the choices provided...

### When writing a research journal entry it’s OK to not copy the information from your sources exactly as it is because you can always go find that later A sometimes B true C maybe D false

When writing a research journal entry it’s OK to not copy the information from your sources exactly as it is because you can always go find that later A sometimes B true C maybe D false...

### Which of the following choices is not a viewing option? a. File Type. b. File Size. c. File Time. d. File Pages.

Which of the following choices is not a viewing option? a. File Type. b. File Size. c. File Time. d. File Pages....

### Solve the equation -4 + 4a = 12 for a.

Solve the equation -4 + 4a = 12 for a....

### Several weeks of diagnostic tests have revealed that cancer has spread throughout barry's body. his physician suggests that he "take care of important matters." barry realizes his family's house needs repairs, so he arranges to have that done right away. to relieve his family of the agony of planning his funeral, he has made all the arrangements. barry tells his minister he has had a good life and just wants to make sure he provides for his family after his death. this description fits the stage

Several weeks of diagnostic tests have revealed that cancer has spread throughout barry's body. his physician suggests that he "take care of important matters." barry realizes his family's house needs repairs, so he arranges to have that done right away. to relieve his family of the agony of plannin...

### One way to detect cvd is select one: a. through surgery. b. by taking high blood pressure medication. c. through angioplasty. d. with an ecg.

One way to detect cvd is select one: a. through surgery. b. by taking high blood pressure medication. c. through angioplasty. d. with an ecg....