When circuit boards used in the manufacture of compact disc players are tested, the long-run percentage of defectives is 5%. If 25 such discs are tested what is the probability that a) 20 are not defective. b) At least 20 are not defectives. c) Find the average number of defectives.

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Which statement best explains why ben uses the width hi to create the arc at j from point k

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection