The angle of depression from a helicopter to a landing pad is 55degrees if the horizontal distance from the helicopter to the landing pad is 1,000ft how high up is the helicopter

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

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.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two