Please help solve the equation using cos(no links)

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?