In the next three questions, complete the proof of Theorem 31 (Opposite angles of a parallelogram are congruent.) by selecting the best reason or statement.

Solve this equation 6.1(2x+10)+14x-17.5

What is the vertex form of f(x) = x2 + 6x + 3

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?