Answer:

Step-by-step explanation:
Using order of operations, the first thing to be calculated would be
.
That would turn our equation into this:

You can then calculate left-to-right as usual to get the answer 10.
Answer:
14
Step-by-step explanation:
its an formula which comes in algebraic expression
Answer:
I just summited it, it was "Her mean grade would go up".
Step-by-step explanation:
The correct anser is 1 and only 1
You could use a calculator.. or if it is already in distributive property then just add it up