What part of a circle can be multiplied by three to approximate its circumference?

Rewrite the hyperbolic equation 4y^2 -9x^2 +54x-8y-113=0

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?

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.