Logbase11(121)=2. The base of the log to the power of y (outside number) = the number in the parenthesis (x).
It is 30-60-90 triangle, so:

Answer B.
<span>X – 1 + 2x ≤ x + 3
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2 4=7658</span>
The numbers are 9,10,11 . the sum being 20 :) hope this helped have a great day