If (4^2)P = 4^14, what is the value of p?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Can anyone me with this question?

Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.