The diagram shows a track composed of a rectangle with a semicircle on
each end. The area of the rectangle is 3,600 square meters. What is the
perimeter of the track? Use 3.14 for 1.
The perimeter of the track is
(Round to the nearest tenth as needed.)

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

Find the least common denominator for thesetvo rational expressions. n^2/n^2+4n+4 -3/n^2+7n+10