# A triangle has side lengths of (2t + 2) centimeters, (6t – 7) centimeters, and (u – 2) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

###### Question:

A triangle has side lengths of (2t + 2) centimeters, (6t – 7) centimeters,
and (u – 2) centimeters. Which expression represents the perimeter, in
centimeters, of the triangle?

### Which of the following measures will help avoid undue eyestrain? reading with adequate light watching television from as far away as possible taking breaks when working on the computer watching television in the dark

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Cate and Elena were playing a card game. The stack of cards in the middle had 27 cards in it to begin with. Cate added 8 cards to the stack. Elena then took 7 cards from the stack. Finally, Cate took 4 cards from the stack. How many cards were left in the stack?...