U= names of the states in the United States.
A= States that begin with “a” = {AK, AL, AZ. AR}
B= States that border Mexico = {AZ, CA, NM, TX}
C = States on the Pacific coast = {AL, CA, OR, WA}

a. Find A ∩ B
b. Find A ∪ C
c. Find B – C
d. Find (A∪B∪C)’
e. Find (B∪C)∩A
f. Find (A∩B) ∪C

Any idea?

Question

U= names of the states in the United States. 
A= States that begin with “a” = {AK, AL, AZ. AR} 
B= States that border Mexico = {AZ, CA, NM, TX} 
C = States on the Pacific coast = {AL, CA, OR, WA}

a. Find A ∩ B 
b. Find A ∪ C  
c. Find B – C 
d. Find (A∪B∪C)’ 
e. Find (B∪C)∩A 
f. Find (A∩B) ∪C

Any idea?

lxelle · Answer

For a. Intersection for both sets A and B, which all elements in set A belongs to set B but nothing else.
For b. Means union for both sets A and C, which means all elements in both sets.

lxelle · Answer

For d., you see ' after the bracket? It means complement set, which means the elements other than those elements in the bracket.

emetuo89 · Answer

Attached is what I need to finish before going to bed tonight. Any assistance should be greatly appreciated.