The length of a rectangle is four times the width. If the perimeter of the rectangle is 30 feet, find the area of the rectangle

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)

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

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