Can some one help me with this?

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)

What is the result of adding the system of equations? 2x+y=4 3x-y=6