Answer: <em>(1,5,7,10,11,15)</em>
To get the union of two sets of numbers, all you do is combine the numbers from least to greatest. If a number repeats in the 2 sets, you only put it once.
Answer:
2
Step-by-step explanation:
Answer: 70
90+20=110
180-110=70
I hope this is good enough:
