a compony fills the box to the tight with there yummy cereal. if the compony leaves 4 centimeters empty at the top of the box how many centimeters of cereal are in the box. The Height of the box is 30 cm the length is 20 and the width is 8.

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

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.

How can you tell when x and y are not directly proportional?