Can you post what it says? I could probably help you out.
7-3=4
9-2=7
4x7=28
Use PEMDAS for order of operations, it will save your life
Parenthesis Exponents Multiply Divide Add Subtract
Multiply and Divide and Add and Subtract can be switched around with each other, but multiply and divide always happens before add and subtract. The reason you add first here is because it is in the parenthesis.
I believe yes
Each time it goes up by one, it is always increasing by the same amount each time
Answer:
<h2>

</h2>
Step-by-step explanation:

To find ( f - g)(x) , subtract g(x) from f(x)
That's

Since they have a common denominator that's 3x we can subtract them directly
That's

We have the final answer as
<h3>

</h3>
Hope this helps you
Answer:
Step-by-step explanation:
i don't know sorry.......................