it takes 2 hours for faucet a to fill a tank, and it takes faucet b 4 hours. how many hours will it take the two faucets to fill the tank together?

The measure of an angle is 117°. what is the measure of a supplementary angle?

What is the volume of this container?

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.