The measure of one side of a square is (s - 3) inches long. Which pair of expressions both represent the perimeter of this square? a) 2s + 3 and (s + 3) + (s + 3)

b)2(s + 3) and (s + 3) + (s + 3)

c) 4s + 3 and (s + 3) + (s + 3) + (s + 3) + (s + 3)

d) 4( + 3) and (s + 3) + (s + 3) + (s + 3) + (s + 3)

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.]