I’m not sure how to do this i’m confused guy

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?