Need help with the answer please and thanks

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Ineed someone to me answer my question i have to have this done and knocked out

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.