The gcf of any two even numbers is always even determine wether the statement is true or false

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

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?

Which math sentence can be used to determine if the triangle is a right triangle?