A popular sports store sells two brands of sports shoe – Brand A and Brand B. 30% of the shoes sold are Brand A and 70% are Brand B. Find the probability that, for the next six shoe purchases,
a) Three pairs of Brand B shoes are sold
b) More than three pairs of Brand A shoes are sold

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?