It is A maybe use your calculator
Answer: B. 
Step-by-step explanation:
1. By definition, the associative property of addition is:

2. Therefore, if you have the following expression:

You apply the Asociative property of addition by regrouping the numbers as following:

3. Then, you can conclude that the correct option is B.
Answer= 75 miles
Explanation: 120 divided by 8= 15
15 times 5= 75
Answer:
x=-5
Step-by-step explanation:
-2x=3+7
or,-2x=10
or,x=-10/2
x=-5