Question

new question of the day:
A river flows at a speed of 12 m/s from north to south. A powerboat can move at a constant maximum speed of 23 m/s in still water.
a. What is the maximum velocity of the boat upstream (upstream means traveling
against the current)? ____________

b. What is the maximum velocity of the boat downstream? __________

c. If the boat were headed east across the river at its maximum speed, what would the resultant velocity of the boat be?