Pls help me it detects if it’s right or wrong

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Which number completes the inequality? 2/3 < _ < 7/9