How do i work this problem out? 7/8-1/4

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 the following is true for the relation f(x)=2x^2+1

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle