The drawing below (not to scale) shows a running track. the ends are semicircles. the distance between the two inner parallel straight lines is 60 meters, and they are each 100 meters long. the track is 10 meters wide.
find the area of the actual track.(shaded region)

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

Which equation can be solved to find x the measure of jk in the apex