If I purchased 3 games for $240 after a discount if 30% what was the original price

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?

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

What is the perimeter of square abcd? units units 28 units 37 units