You are given a number line with a left endpoint r, a point in between the two endpoints (not a midpoint though) of s, and a right endpoint t. if rs = 15 and st=9, then what is the length of rt?

Find the given elements if matrix d:

Michelle is planting flowers in her garden. she wants the ratio of daises to carnations to be 3 to 2. michelle wants to plant a total of 35 flowers. how many daises should she plant?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?