Answers

2016-06-20T21:15:04+08:00
A. 2, 5, 8, 11, 14, 17, 20, 23
b. 9, 18, 27, 36, 45, 54, 63, 72
c. 13, 14, 15, 16, 17, 18, 19, 20
d. 7, 15, 23, 31, 39, 47, 55, 63

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2016-06-20T21:15:58+08:00
A. 17,20,23
B. 54, 63, 72
C. 18, 19, 20
D. 47, 55, 63
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