Find the given limit. If the limit does not exist, put "D

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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.