PLZ NEED HELP I DONT UNDERSTAND​

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.

How is the number of vertices for a prism related to the name of the prism

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.