Aboat on the potomac river travels the same distance downstream in 2/3 hour as it does going upstream in 1 hour. if the speed of the current is 3 mph, find the speed of the boat in still water

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great