How many sides does a regular polygon have if one exterior angle is 10?
120
180
360

Ineed i do not understand i'm only 8

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.

What is the y intercept of f(x)=(1/2)^x?