Malia tried to prove that cos pheta = sin 90 degrees - pheta using the following diagram. her proof is not correct.

Write an explicit formula that represents the sequence defined by the following recursive formula:

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)