) Enter the measure, in degrees, of ZABC. 90
100 no
10
80
60
40
A
30
(180 170 100 150 140 130 120
120 130 140 150 160 170 1lol
0
C
B​

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