Pipe a fills a tank in 9 hours. pipe b fills the tank in 6 hours. how long would it take both pipes to fill the tank

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20