Answer:
Multiply the second equation's terms by 3. Solve for x.
Step-by-step explanation:
You will get:
2x+9y=28
9x-9y=42
Add them to get:
11x=70.
You can solve from there.
Answer:
C
Step-by-step explanation:
I don't know for sure, but I am pretty sure this is it.
Answer:
25
Step-by-step explanation:
5 to the power of 5 is 3125.
because you do 5x5x5x5
then you do 5x5x5 which is 125
3125/125 = 25