Answer:
The answer is C
Step-by-step explanation:
This is because acoording to the order of operations or PEMDAS you do the perantheses first.
Answer:

Step-by-step explanation:
The value (f-g)(x) means subtract the function g from f. This can be done by combining only like terms between each.

Answer:
it increases by a factor of 10, hence option B is the answer
Step-by-step explanation:
Initial Figure = 2037
When it is moved one place to the left, it increases from tens to hundreds
Hence option B is the answer
-3z^7 - (-5z^7) = -3z^7 + 5z^7 = 2z^7