Find the value of A A 4a 3cm B A C​

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?

Akayaker travels 3 miles upstream and 3 miles downstream in a total of 4 hours. in still water, the kayaker travels at a speed of 2 mph. what is the average speed of the river's current?

The function representing david's miles per month if f(m)= 115m + 5. what does the 115 represent