Please help ASAP the question is on the photo and please put the answer in standard notation

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.

Does the point (1, sqrt 7) lie on circle shown.

What function has a range {yly< 5}? question on picture above^