Write an equation of the circle with center (4,-8) and radius 2

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did