Aston designs movie sets. For once scene, he has to hang a banner across an archway that takes the shape of a parabola modeled by the quadratic equation y = -x2 + 6x. The banner is to be hung at an angle defined by the linear equation y - x = 4

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry