Please answer correctly

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

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.