A football player's rookie card decreased in value 28% over the past 18 years. This was a decrease of $62.72. What was the value of the card 18 years ago? What is the current value of the card?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

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:

The tile along the edge of a triangular community pool needs to be replaced? ?