PLEASE ANSWER ALL THE QUESTIONS. PLEASE I REALLY WANT YOUR HELP. 15 points.

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.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?