Ms. magers makes an announcement that 3 out of every 7 sixth graders have an overdue library book. david says that means that 21 sixth graders have overdue library books. how many sixth graders do not have an overdue library book? show your work.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)