For the next three problems, evaluate each expression if x= -2, y=4, and z=-3
1. (4 - 2x)^-2
2. (y - z)^-3
3. (x - 5y)^0

Which formula gives the area of a triangle? a=1/2(b+h)

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?

You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density