PLSS HELPP AND QUICK PLSSS

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Which of these tables represents a non-linear function?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days