Find the surface area of the composite solid. round your answer to the nearest hundredth.
a. 424.11 ft
b. 438.00 ft
c. 449.00 ft
d. 549.78 ft

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