The length of a rectangle is three times its width of the perimeter of the rectangle is 40 yd find its length and width

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x