Give all solutions of the nonlinear system of equations, including those with nonreal complex components. x² - y = 0 6x+y= 16 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The solution set is . (Type an ordered pair. Type an exact answer, using radicals as needed. Use integers or fractions for any numbers in the expression. Express complex numbers in terms of i. Use a comma to separate answers as needed.) OB. There are infinitely many solutions.