Can someone do my test for me it has 25 questions

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

How many solutions does the nonlinear system of equations graphed bellow have?