PLEASE HELP A: infinite set of points on the line

B: empty set

C: Point in Quadrant 1

Step-by-step explanation:

a.infinite set of point on the line  

point on a chart that has no restrictions, and it tends to be extended.  

b. an empty set is otherwise called null set, it has no components persent in it. spoken to by { }  

c. point on quadrant 1.  

In quadrant 1, the two directions x and y must be certain. Any separation which has its reference with the source is known as a point.  

it very well may be determined by the formular Δy/Δx of the facilitate.

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step-by-step explanation: