Tim has 39 grapes. He keeps 9 for himself. Then he gives 6 to his friends. To how many friends does Tim give grapes.

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

The graph of which of the following will be parallel to the graph of 4x – 3y = –12? a.y= 4/3x -3/2 b.6x-4y=-8 c. y=3/4x+1 d.4x- 2y=-12

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.