Answer:
y = -3
Step-by-step explanation:
Answer: B. I prefer the warranty that covers repair costs of a new car
Answer:
m=5
Step-by-step explanation:
c=30m+50
c=20m+100
substitute
20m+100=30m+50
like terms
100-50=30m-20m
50=10m
m=5
Linear systems that have infinite solutions have the same slope and they have the same line on the graph