Andy is scuba diving. he starts at sea level and then descends 10 feet in 2 1/2 minutes. a. how would you represent andy's descend as a unit rate? express your answer as an integer. b. how much feet can he descend in 6 minutes?

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:

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.