Describe the slope of the line then find the slope helpp plss :)

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

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?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.