Kaylan has a bag with an equal number of red yellow and blue marbles she makes a tree diagram to show the sample space if she randomly selects to marbles out of the bag what is the probability that both nervous like to do different colors

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.

What statement is true? 2x^2-9x+2=-1

Solve for x and select the correct answer