Which of the following equations is (-2, -3) not a solution

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .

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

The table represents a linear function. what is the slope of the function? –6 –4 4 6