Sin(x+y) – sin (x- y) = 2 cosx siny​

Match each expression with its simplified form.

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

When a rectangle is dilated, how do the perimeter and area of the rectangle change?