A box has a volume of 32 cubic inches. A lager box has a volume of 96 cubic inches. What is the ratio of the volume of the small box to the lager one ?

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 standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.