Can y’all help pls ;)

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.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

92ft long and 48 wide resurface 2.75$