Alfonzo started with $50.00 in his checking account. He recorded these transactions in his checkbook: -$12.75,-$5.43, $75.00,-$2.57, and
-$22.25. How can you use the Commutative and Associative Properties of
Addition to find his balance using mental math?

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