Question

Given two sets, X = {things that are impossible or untrue} and Y = {mathematical statements}, which of the following are in X ∩ Y?.

A. cow jumps over the moon.
B. A cat tells you a story.
C. 99 - 2 = 1,000
D. 15^2 = 15
E. Candy is sweet.

Answer 1

X ∩ Y = {things that are impossible or untrue and are mathematical statements} = {99 - 2 = 1000, 15^2 = 15}