The hypotenuse and one of the legs of a right triangle form an angle that has a cosine of
2
2
. what is the measure of the angle?
a) 30 degrees
b) 45 degrees
c) 60 degrees
d) 90 degrees

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8