7650 divided by__?___= 7.652

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.