yo sup??
as mentioned earlier XUY is simply the summation of all the unique elements of X and Y
S=XUY
={-1,0,1,2,5}
Therefore your answer is option 1 ie
1.{-1,0,1,2,5}
Hope this helps.
Answer:
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Step-by-step explanation:
Answer:
Each pack of gum costs $3
Step-by-step explanation:
We can set up the equation:

Answer:
they are not equal if that was what you were looking for
Step -by-step explanation:
Answer:
Picture below hope it helps : )