Match the expressions to their verbal descriptions assume that all variables represent interger values and that none are equal to each other

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?