Finding missing angles

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

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie