What are 2 fractions that add up to 0.

Need on this geometry question. explain how you did it.

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

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