Please solve if you can!

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90

How to find the volume of an area and height