calculate the mean? the frequency
5-15. 4
15-25. 3
25-35. 6
35-45. 5
45-55. 2
Answers
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Answer:
2x+3;x;9−3x
2x+3;x;3x−9
x;2x+3;3x−9
2(x+3);x;9−3x
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