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Thus ;
R = { - 7 , 1 , 9 , 17 }
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The correct answer is (( D )) .
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The answer is quadrilaterals. d
7 dosent go into 4 at all but 4 goes into 7 once
The median is 42, the lower is 36, and the upper is 86
Bobby would have bought 1.21 dollars worth of items from the school store. This because you would line up the problem. In mine, I did 21 on top, 45 in the middle, and 55 on the bottom. And then I added the 1 + 5 + 5 in the right column which equaled 11. This required me to carry the one to the other side and put the other one down in the answer. Then I did 2 + 4 + 5 + 1 = 12. Then you have to add a decimal which makes the most sense to put it in between the 1 and 2. I hope that this is a help and have a great day! If you can please mark this brainliest and contact me if you need more help!