Help ME this is the last one

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

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

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?