The surface area of a rectangular prism with length l, width w, and height h is given by the expression 2lw+2lh+2wh. Write an equivalent expression using the Distributive Property.

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Factor the expression using the gcf. the expression 21m−49n factored using the gcf

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.]