Answer:
Your correct answer is d. Harry and Helen will receive a refund of $555. explain please
Step-by-step explanation:
Hope this helps :) -Mark Brainiest Please :)
Answer:

Step-by-step explanation:
x= 1 over 4y-2
Answer:
(-8)x(-8)=64
Step-by-step explanation:
(-8)²
(-8)x(-8)=64
3x-4y=10
-20-x+2y=10 then -30+2y=x now plug this in the other equation:
3(-30+2y)-4y=10
-90+6y-4y=10
2y=100
y=50