I need help, I need to now if C is on the perpendicular bisector of AB. I don’t understand. Thanks

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?

Write the rational number in lowest terms 99/-15

X2 + y 2 = 36 x + y = 6 solve the system of equations.