Given the translation (0, 5), translate ordered pairs (9, 0) and (2, -4).

Amap has a scale of 3.5 inches = 20 kilometers. if the distance between two cities on the map is 4.9 inches, what is the actual distance between the two cities?

Asingle die is rolled twice. find the probability of rolling a 3 the first time and a 2 the second time

Let x have probability generating function gx (s) and let un generating function u(s) of the sequence uo, u1, satisfies p(x > n). show that the (1- s)u(s) = 1 - gx(s), whenever the series defining these generating functions converge.