Help me please asap..

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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.

Find x & pleeeeaaaassseeee me !

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)