Find the first four iterates of the function f(z)=z^2+2+i with the initial value of z0=-1+2i

Combine the information in the problem and the chart using the average balance method to solve the problem.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?