Help I will give brainlist and 30 points

Ineed with number 17 i don’t get it at alll

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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?