Here are the answers to the given questions above. The sets of numbers that are closed under multiplication are the following: Whole numbers, and Integers. The answers would be options A and D. Whole numbers are closed<span> only </span>under<span> addition and </span>multiplication. Integers are closed under<span> addition, subtraction, </span>multiplication<span>, and division (with the exception of division by 0). Hope this answer helps.</span>
Answer: X =5/2, 15/2 x=2.5, 7.5
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Answer:
12
Step-by-step explanation:
