Asidewalk borders a rectangular play area. the play area measures 20 feet by 14 feet. the width of the sidewalk is 2 feet. what is the perimeter of the outside border of the sidewalk?

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.