12. The diagram shows a rectangular block. AY = 12 cm, AB = 8 cm, BC = 6 cm.
Calculate:
a) the length YC
b) the angle YÂZ.
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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