Answer:
(1,1) x=1 y=1
Step-by-step explanation:
B
It's just B
C.{-1,0,1,2}
4.5
One half is equal to 0.5, you then multiply 0.5 by 9 because 90 divided by 10 (every 10 pounds) is 9. Your answer is 4.5.
