Which sequence of transformations could have been applied

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Shannon mary and john earn a weekly allowance ahannon earns the amount that is 2/3 of what john earns mary earns an amount that is 1 2/3 of what johns earns 20 dollars a week who eaens the greatest allowance and who earns the least

Determine the equivalent system for the given system of equations: 5x − 3y = 6 x + y = 2