A ball is thrown vertically upward from the ground. It's distance in feet from the grounds in t second is s = -16tsquare + 128t. After how many seconds will the ball be 192 feet from the ground?

A rectangle has a length of 4 m less than twice its width the resulting figure is a square with an area of 256msquare. Find the dimensions of the original rectangle. the length of the original rectangle and the width.

A rectangular piece of sheet metal has a length that is a 10 m less than twice the width. A square piece is 5 in. On a side is cut from each corner. The sides are then turned up from an uncovered box of volume 1210in. Find the length and the width of the original piece of metal. The length of the original rectangle is

the width is...

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