Answer:
-80
Step-by-step explanation:
Answer:

Step-by-step explanation:
Jaime is at point A and wants to get across the river to Point B.
They must head upstream towards Point C.
1. Calculate the net speed across the river.
∆ABC is a right triangle, so

2. Calculate the time to cross the river

Answer: 
This is the same as saying 18*sqrt(2) or you could say 18√2
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Explanation:
We'll be using this square root rule: 
So we could have this as our steps:

Therefore, 
The basic idea is to first combine the roots using that rule. From there, we factor the radicand such that we pull out the largest perfect square factor. This will allow us to break the root apart and fully simplify it.
A. 1 because a to b is 5 miles and b to c is 4 miles so it couldn't be 1 mile
Answer: 9 associate property 8 commutative property
Step-by-step explanation: