The speed of a stream is 2 mph. A boat travels 9 miles upstream in the same time it takes to travel 13 miles downstream. What is the speed of the boat in still water?

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi