Trapezoid W′X′Y′Z′ is the image of trapezoid WXYZ under a dilation through point C. What scale factor was used in the dilation?

−65
−56
56
65

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

David and alton are training for a race. they spend 35 minutes stretching and then go on a 5 mile practice run. david runs at a pace of 7 min/mile. alton runs at a pace of 8 min/mile. write an equation for each runner that shows the total length of their workout. then solve each equation showing your work