Find A ∩ B.
A) {3,5,6,7,8,11,12}
B) {3,5,6,7,8,12}
C) {3,7,6,5}
D) {3,7}

Answer:
[tex]\large\boxed{A \ \cap\ B=\{3,\ 7\}}[/tex]
Step-by-step explanation:
The intersection of two sets A and B, consists of all elements that are both in A and B.
Therefore:
[tex]A \ \cap\ B=\{3,\ 7\}[/tex]
Look at the picture.