Question

40 POINTS!! hi, can anyone please solves this...

Answer 1

Hi..

Answer is n(A)= n(B)

Answer 2

b

Explanation:

n(A) means the number of elements in set A

n (B) means the number of elements in set B

set A = { a, b, c, d } that is 4 elements so n(A) = 4

set B = { 1, 2, 3, 4 } that is 4 elements so n(B) = 4

Then

n(A) = n(B) ← b