Arunner makes one lap around a 200m track in a time of 25.0s.

The formula for the volume of a rectangular prism is v = lwh. a rectangular prism has a length of 2y 3 and width of 5y. the volume of the prism is 20y 10 + 70y 4 . what is the height of the prism? show your work.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

What is the value of x? enter your answer in the box.