Over the last three evenings, Linda received a total of 83 phone calls at the call center. The second evening, she received four times as many calls as the third evening. The first evening she received seven fewer calls then the third evening. How many phone calls did she receive each evening?

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

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Simplify the expression below -3(10x+4y)+6(6x-2y)