A heated piece of metal cools according to the function c(x) = (.5)^x- 9, 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 five hours? (1 point)

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Which statement about the annual percentage rate (apr) is not true?

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15