Can you help me please please correct my

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?

How much orange juice do you need to make 2 servings of lemony orange slush?

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?