Find the missing side for each triangle below and state the tool you used to find the side.

Sum is 17 and their difference is 3

What is the value of x in the following equation. -x ^3/2 = -27

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.