Answer:
this doesn't even make sense.
Step-by-step explanation:
THey tried to push but the wall doesn't move. So Nobody did any work. Everybody's work done is 0.
I really don’t no so sorry hope u find the asset if you haven’t
Answer:
-5x^2-2x
Step-by-step explanation:
When distributing, you multiply the term outside the brackets to all the terms in brackets.
If the term outside the bracket is negative, then when distributing/opening the brackets, the signs of the terms changes.
So in this prob. -x would multiply to both +5x and +2
-x*5x+-x*2
∴-5x^2-2x
C. 9^4
when dividing with exponents, i usually just look at the exponents and subract them so i did 12-8 for this problem