Joe runs 9.25 times around a track in 1,125.803 seconds. if one lap around the track is 502.3 meters, which is the best estimate of the runner's average speed in meters per second (m/s)?

What value of x will make the triangles similar by the sss similarity theorem?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?