Find the surface area.
14.9mm
8 mm
20 mm
12 mm

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

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

What is the lcm of 16 and 40 ? 24 and 40 ?