Answer:
B)7+n
Step-by-step explanation:
Answer:
I think the answer is 742,000,000
Step-by-step explanation:
Answer:
As given in the problem statement,it should be treated as quantitative Students in the northeastern United States was measured and it is a correct option B is correct option.
Answer:

Step-by-step explanation:
first you subtract 7 from 7 and 12

then you get 
(btw the variable always goes first with these problems)
so the final answer would be 