Please help its due today please help come on just help will give brainliest

What is the simplified expression for 6(2(y+x))

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?

Issof claims that the scale factor is 1/2. which statement about his claim is correct