The volume of a rectangular prism can be found by the formula v = lwh where v is the volume, l is length, w is width and h is height. if the volume of an object is 48 in3, the length is 8 in and the width is 2 inches, what is the height?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point