Justin runs at a constant rate, traveling 17 km in 2 hours

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box