Two friends divide 4/4 of a cake equally. what's the fraction of the divided cake?

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.

Y=4x^2+x-1 solve using quadratic formula

What is an alternate exterior angle