Cora gave her a ​$4.40 tip. The tip was ​20% of the cost of the haircut. Write an equation to find​ b, the cost of the haircut .

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Is the point (0, 8) on the x-axis or y-axis? how do you know?

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z