Answer:
6.5 miles per hour
Step-by-step explanation:
At first, Jim was paddling against the current for 3 hours. Then, he paddled for 1 hour with the help of the current.
Let x be Jim's rate without the current and y be the rate of the current:

By solving the linear system, we can find the rate of the current y:

The current has a rate of 6.5 miles per hour.
When multiplying the top, you get 4,096, and then you get the same thing for the bottom. The fraction is just 1 because the top and bottom are equal
5.6 x 10-9 That’s a standard notation
8n
Hope it helps, good luck
Answer:
110-degrees
Step-by-step explanation:
these are alternate exterior angles which are equal *congruent