book Maths Puzzle Numerical Ability

angle A and angle B are supplementary. Find M angle A and m angle B.

Equation m angle A=12x+1
m angle B=X+10

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in my algebra 2 class, we got an extra credit question: 1 over (the cubed root of 2, minus 1). we need to simplify it and/or solve it. please help Determine the Richter scale measure (two decimal places) of an earthquake having an intensity of I=101,620,000Io