To be eligible for financial aid, a student must earn no more than $20,000 per year. Use s to represent the yearly earnings (in dollars) of a student eligible for financial aid.

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?