2.A = { x | x is a letter of the word SEAT} and B = { x | x is a letter of the word TASTE}. Are sets A and B Equal?

A. Cannot be determined
B. Not equal because seat has 4 letters and taste has 5 letters
C. Equal because each set has the same cardinality and the same letters
D. No, they are equivalent because they have the same letters

3. Given are two sets, X and Y wherein X is a set of positive integers less than 10 and Y is a set of first 4-prime numbers. Find Y – X.

A. {1, 2, 3, 4, 5, 6, 7, 8, 9}
B. {1, 4, 6, 8, 9}
C. {2, 3, 5, 7}
D. { }