pre cal
posted by karina .
if a 22 inch tire rotates 40 times per 2 minutes, determine the linear and angular speed of the tire.

assuming that Earth is a sphere of a radius 6378 kilometers, what is the difference in the latitudes of Lynchbug, Virginia, and Myrtle Beach, South Carolina, where Lynchbug is 400 kilometers due north of Myrtle Beach?