Based only on the information given in the diagram which congruence theorems or postulates could be given as reasons why hel ~ pme

Proving the congruent supplements theorem

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.

If the numbers below were ordered from least to greatest, which number could you use to replace the blank? 0.20, 2/5 □ 3 /4 , 8/10