Answer:
6
Step-by-step explanation:
138 ÷ 2 = 69
69 ÷ 2 = 34.5
69 ÷ 3 = 23
23 ÷ 3 = 7.67
23 ÷ 5 = 4.6
23 ÷ 7 = 3.2857
23 ÷ 11 = 2.0909
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23 ÷ 23 = 1
The answer is a and e
(1+2)²
(3)²
9