What is the perimeter of the rectangle shown on the coordinate plane, to the nearest tenth of a unit? A. 15.3 units
B. 20.4 units
C. 30.6 units
D. 52.0 units

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.]