Yes, you can put parenthesis inside of parenthesis.
Answer:
I think it is B
Step-by-step explanation:
mark me brainliest
The answer is -20x, because the parentheses show they are being multiplied, so you multiply -10x and 2, which would be -20x.
Answer:

Step-by-step explanation:
To make
into a fraction, you must first move it to the numerator and make 1 the denominator.

And then you multiply it by
or you can say 

After you multiply you divide the numerator and denominator by 2.

And now this equals:

Hope this helps!
Answer:4
Step-by-step explanation: