Answer:
if union, U means plus,+
if intersect means minus, -
Answer:
1 is 50 and 2 is 75
Step-by-step explanation:
i did the work
Answer:
11
Step-by-step explanation:
Answer:
k=4
Step-by-step explanation:
First, we can subtract 3k on both sides. It is ultimately easier to start by subtracting the term with a variable. This would result in 45=5k+25. Then, we can subtract 25 on both sides to get closer to isolating k. This becomes 20=5k. We can then divide by 5 on both sides. This means that k=4.