answer it plzz guyzz
Attachments:

Answers
Answered by
0
Answer:
a)9.3
b)16,20
Step-by-step explanation:
n(A)=7
n(B)=13
n(A intersection B)=4
n(AUB)=n(A)+n(B)-n(A intersection B)=7+13-4
n(AUB)=16
n(A)+n(B)=20
PLS MARK AS BRAINLIEST
Similar questions