72
2 + 6 + 8 + 10 + 12 + 14 + 16 + 18 + 20 = 106
18 plus 4, minus 2
4 + 8 + 12 + 16 + 14 + 28 + 37 = 119
By usual definitions of outliers, there is none.
134
1+1.8=2.8
11
71
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 210
If the question is what is 12 + 2², the answer is 16: 12 + 2² = 12 + (2x2) = 12 + 4 = 16. If the question is what is (12 + 2)², the answer is 196: (12 + 2)² = 14² = 14 x 14 = 196.
149
252.