There are 6 people named A, B,C, D,E, F. The people named A, B, and C are all over the age of 40. The people named D, E,F are all under the age of 40. How many different orders are there for the people to sit on a bench, if both ends of the bench must be occupied by someone over the age of 40?

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

What is 1/2 x (6 x 4)+3 + 2 show your work

X+ y = 5 ; x - y =3 solve using linear combination