Vince asks volleyball players how many years they have played volleyball. He separates the responses by school grade and records them in the table below. What is the joint frequency of
eleventh graders who have played for 5 years?

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?