Desk 7 Kristina is running the freshman class
fundraiser. They are selling key chains as a
fundraiser. The amount of money they make
is computed using the function y = 2x –
100, where x represents the number of key
chains sold.
• What does the number 100 mean in
the context of this problem?
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The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

What is the slope of the line shown below?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?