Train A has a speed 20 miles per hour greater than that of train B. If train A travels 200 miles in the same times train B travels 120 miles, what are the speeds of the two trains?

Which expression gives you the distance between the points (5,1)and(9,-6)

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?