G(n) = -72•(1/6)^n-1
Complete the recursive formula of g(n).
g(1) =
g(n) = g(n-1).

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Find the roots of the equation below. x^2 - 6 + 9 = 0

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !