HELP ME PLEASE! THIS IS URGENT For a party, a sandwich station with 3 choices of bread (white, whole wheat, and rye) and 4 choices of fillings (ham, turkey, cheese, and hummus) was set up. The tree diagram represents all the possible combinations of bread and filling for a sandwich.

What is the probability that someone will have a sandwich on rye bread containing cheese?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Cone a has a surface area of 384 ft2 and cone b has a surface area of 96 ft? . what is the ratio of their volume?