Complete the description of the piecewise function graphed below. so i only need to know what f(x) is if 1

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Asap! i'm not good math and i'm lost.

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