K point(s) possible Alt quiz Perform the indicated operations and reduce answers to lowest terms. Represent any compound fractions as simple fractions reduced to lowest terms. 6 1+ - y 36 y- y 00 6 1 + - y- y 36 y ... Factor completely. If polynomial cannot be factored, say so. 81y2-16x2 ... Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. 81y - 16x2 = B. The polynomial cannot be factored. Factor completely. If a polynomial cannot be factored, say so. 4x-19x-5 ... Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. 4x - 19x-5= (Factor completely.) B. The polynomial cannot be factored.