Question

Which is the intersection of the sets {2, 3, 5, 7} and {2, 5, 11, 13}?

A.
{2, 5}

B.
null set

C.
{3, 7, 11, 13}

D.
{2, 3, 5, 7, 11, 13}

Answer 1

what do the two sets have in common?

Answer 2

2 and 5 seem like they are in both sets, so....

Answer 3

{2,5}