What is the product of StartFraction 4 Over 5 EndFraction times StartFraction 3 Over 7 EndFraction?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.