A playground is 50-feet long by 30-feet wide. The length and width of the playground will each be increased by the same number of feet. The following expression represents the perimeter of the larger playground: (x + 50) + (x + 30) + (x + 50) + (x + 30)

Which expression is equivalent to the expression for the perimeter of the larger playground?

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Answer this question only if you know the answer! 30 points and

Find the value of x. give reasons to justify your solutions! c ∈ ae