Derrick lives 3 miles from the park. he rode his bicycle to the park at an average speed of 9 miles per hour. how many minutes did it take derrick to ride his bicycle to the park?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

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.