I lost my watch. It was gifted to me by my uncle.

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?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

What is the value for this expression? 2e-5