What is the common difference in the arithmetic sequence 30, 27, 24, 21, 18,
a. -1 c. 3 b. -3 d. 30

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

Ten times the square of a non-zero number is eqaul to ninety times the number

Ineed to know the answer to this algebra question.