The high temperature at a resort town is 72 degrees Fahrenheit on the first day of vacation and increases by 0.5 degrees each day of vacation,
a. Write the expression representing the high temperature after d days.
b. What is the expected high temperature on the 14th day of vacation?

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?