Given a data set, how do you know whether to calculate o or s

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

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0). what are the directrices?