200,000,000 in scientific notation

Tell whatever the ordered pair is a solution of the given system.

How far is x from 5 on a number line?

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.