Solve the following system by graphing. x + y - 6 = 0 x - y = 0 what is the solution of the system?

a. (-3, 3)

b. (3, -3)

c. (3, 3)

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no