The temperature of water in emily’s fish tank was 78 degrees f on sunday. the water temperature change by -3 degrees on monday and then by 3 degrees on tuesday. what integer represents the temperature change of the water from sunday on tuesday? what was the water temperature on tuesday?

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

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 difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers