A box is 20 inches long and 21 inches high. What is the diagonal length of the
box? (HINT: Draw a diagram to
help you visualize the problem.)

What is the product of the radical expression. (7-2square root) (8+2 square root)

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?