Apen is dropped on a hardwood floor and a 1 is recorded if the pen crosses a line and a 0 if it does not. estimate the probability that the pen crosses a line in a single drop. 1 1 1 0 1 0 0 1 0 0 1 1 1

a. 3/13

b. 5/13

c. 5/8

d. 8/13

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?