Can someone me with these homework questions

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Is there an x intercept in the equation 60*1.15^x

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.