Complete the real-world problem that could be modeled by a linear function whose x-intercept is 8 and whose y-intercept is 72. Jen wants to save $ . Each week she will save $ . The function shows how much money Jen has left to save each week.

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?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Math question.. plz me .. best answer all