Answer:
8
Step-by-step explanation:
(-1,1)
This is because the solution is the point where the two lines meet.
Please post the question with an attachment of what you want to be answered next time.
Answer:20.571
Step-by-step explanation:
x:y = 21: 24=7:8
8x=7y
y=8x/7
When x=18
y=8*18/7
y=20.571
Answer: A
Step-by-step explanation: