The length of bill’s backyard swimming pool is 60 feet longer than the width of the pool. the surface area of the water is 1600 square feet. what is the width and length of the pool?

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Which is f(5) for the function –2x2 + 2x - 3?