Tom made 3 identical necklaces, each having beads and a pendant. the total cost of the beads and pendants for all 3 necklaces was 20.10. if the beads cost a total of 9.60, how much did each pendant cost?

What is the solution to the system of the equations? x = y - 3 x + 3y = 13

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

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.