Let s(m, n) denote the number of onto functions from a set with m elements to a set with n elements. show that s(m, n) satisfies the recurrence relation

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)

Factor the polynomial. b^2 + 4b + 4