Use PEMDAS, the answer that I got is 19.
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:
The x will be -4 , y will be -23
Answer:
65mph
Step-by-step explanation:
