Answer:
1/18 I believe or it should be 1/3. May be wrong, sorry
(X+5)²=4/4
X+5=1, X+5=-1
X=1-5 X=-1-5
X=-4 X=-6
Intersection means elements both have. Both sets have -1 but they have nothing else in common so the intersection is {-1}
Union means combining the sets so {-1, 1, 2, 3, 7} Note that I only wrote 1 twice. No duplicates allowed!
Answer:
-6d + 2n is the simplified answer
Answer:
The answer is 9
Step-by-step explanation:
39X39 is 1521
1521/169=9
so carmen needs 9 cans of paint