The following data set represents the number of grades on the semester exam in Mr. Adamak's class. Create a histogram to display the data. Here are the numbers:
72, 75, 78, 88, 83, 81, 92, 94, 67, 83, 85, 77, 89, 91, 74

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