Hey! Can someone please help me? Thanks

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Is it greater than or less than7*3_9*2

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250