The product of my age and five then decreased by twenty and finally increased by my age times the opposite of three is fifty riddle answer

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?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.