Find the difference (3 -13x-+12x-10)

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.

Which value of c would make he following expression completely factored? 8x+cy

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?