What is the equation in slope intercept form of the line that passes through the point (10,12) and is perpendicular to y=-5/6x+8

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 standard form of -5x^2+2x^4-11+x^3+3x

Which of the choices shown could be used to prove that aacp=abcp ?