In the diagram, C is the circumcenter of XYZ. Find the value of x. Then find length of CZ

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

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Math question.. plz me .. best answer all