The probability of choosing 2 green balls without replacement is 11/50 and the probability of choosing one green ball is 12/25. what is the probability of drawing a second green ball, given that the first ball is green

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?