Write expression from the context (mx+b)

Arunning track in the shape of an oval is shown. the ends of the track form semicircles. a running track is shown. the left and right edges of the track are identical curves. the top and bottom edges of the track are straight lines. the track has width 56 m and length of one straight edge 130 m. what is the perimeter of the inside of the track? (π = 3.14) 260.00 m 347.92 m 372.00 m 435.84 m

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?