Answer:
A
Step-by-step explanation:
The formula used for this type of question is
so as long as you don't change anything else (like r), changing m will increase the force. Both of the last 2 answers look like they might be feasible, but they are not. The attraction increases.
So the answer is A

Explanation:

let's break down the expression to get the final result:

Answer: (9,-10) or x=9...y=-10
Answer:
3b
Step-by-step explanation:
b+b=2b
2b+b=3b
the answers are... 1, 3 and 5
hope this helps :)