A Brick Patio measures 18ft by 23ft by 4 inches. FInd the volume of the bricks if the density of the bricks is 165 pounds per cubic foot, what is the weight of the patio in pounds.

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