Answer- 9a
explanation- 5+2+2 = 9 and you add the a’s and -3+3 = 0 so you leave it out
First of all, you should know/notice that

You should also know how negative exponents work:

So, if you wanted

the answer would be x=3, but since you want 125 to be at the denominator, the answer is x=-3:

Answer:
no clue
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
x+4y=-12
x+7y=-15
subtract
-3y=3
y=-1
x+4(-1)=-12
x=-12+4=-8
so point is (-8,-1)
Answer:
37%
Step-by-step explanation:
37% equal 37 of a whole 100 is a whole