(3x-2y)^2= a) 9x^2-4y^2 b) 9x^2+4y^2 c) 9x^2-6xy+4y^2 d) 9x^2-12xy+4^2

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]