Adding integers with integer tiles For addition, drag tiles onto the board. To form a group, place one tile on top of another

Use the integer tiles to find the sum of 4 and -5
A. 9
B. 1
C. -1
D. -9

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Which of the following is the result of expanding

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )