Me solve all these problems 1-9 in advanced

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Describe how you can act financially responsible.