Maria has 6 ⅛ cups of flour, but only needs 4 ¼ cups for her recipe. How much will she have left​

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.

Solve 2x+y=3 x+y=5 in substitution method

Find the quotient with the restriction.