A motorboat travels 205 kilometers in 5 hours going upstream. It travels 295 kilometers going downstream in the same amount of time. What is the rate of the boat in still water and what is the rate of the current?

Solve: 3x+y=6 4x-2y=18 show all work !

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)