Isaac is making sandwiches for a group of friends. he needs 3 ounces of meat for each sandwich. part a: isaac is not sure how many sandwiches he will be able to make. write an expression with a variable that represents the amount of meat isaac needs for his sandwiches. identify what the variable represents. part b: if isaac has 18 ounces of meat, how many sandwiches can he make? create an equation and show all work to solve it.

Answer these questions showing your work plz

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.

Urgent? will give brainliest to the first correct answer what is the area of the figure?