Answer:
d
Step-by-step explanation:
its d because square has equal sides, so the midpoints would also be all equal sides, which is the definition of a square
(3,3) is the point in which the 2 lines intersect
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I think 5?
These are the ages,
12, 12, 14, 15, 17,
28, 29,
40, 41, 44, 45,
50,
69
Only the people on the first row are under 19 and there are 5 people.