(b) At the 10-mile mark, randy realizes that her total running time is 90 minutes. Has Randy been keeping

the pace (rate) that she intended? Explain your answer.

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

Which value of c would make he following expression completely factored? 8x+cy

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)