1 3 Multiply Rational Expressions Simplify each expression 35m 65n 10 28n 4n 1 A 10n n 1 3 n 3 n 1 3 C 21n 53n 8 6n 13n 8 A 2 5n 3 C70 B Sn B D 3n 50n 80 n 1 n 9 3 An n 8 20n 10n 42n 6 9 5n 9 n 2 2 4 his reserved 2 7r 70 5r 39r 54 35r 42 10r A 4 C r 1 r 8 7 6 r 3 B v 3 A 7 C v 9 v 4 6v 35v 5 63y 9v 5v 45 r 10 r 9 10r D r 5 2 3 v 9 D 7 v 6 B