30+35+39+36=140
mean= 140/4
therefore mean=35
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The composite numbers between 30 and 40 are 32, 33, 34, 35, 36, 38, and 39. Add them together to find the sum: 32 + 33 + 34 + 35 + 36 + 38 + 39 = 247.
33.75
30, 32, 33, 34, 35, 36, 38, 39, 40
They are: 30 32 33 34 35 36 38 39 and 40
30, 32, 33, 34, 35, 36, 38, 39, 40