How many rectangular faces does a hexagonal pyramid have?

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

If f(x)=x+7 and g(x)=1/x what is (fog)(x)