Simplify

5/4 + 4 ( 3/4 - 1/2 )

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.

Can someone me with this? i’m not sure what to put for my equations.

What expression is equivalent to (84+16)