Answer:
Math
Step-by-step explanation:
12
0.875
7/8
(i) U' = Φ
(ii) A∩A' = Φ
(iii) A – ( B U C) = {5,7,9}
(iv) A' U ( B U C ) = {2,4,6,8,10}
(v) A' U ( B' ∩ C') = {2,4,5,6,7,8,9,10}
Yes
the factors of (x^ 2 +9x+20) are (x+4)(x+5)