Answer:
2375.04
Step-by-step explanation:
7hrs/ =x
21hrs 189
1323=7x
7 7
189=x
the speed of the boat in still water is 189
i got the answer by setting a proportion.
hope it work
Answer: A. 90° clockwise, E. 270° Counterclockwise
The awnser would be-(4a+b-3) I hope this helps you
