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 Everyday Examples
 Degree:  The exponent of a number or expression.
If a bus were traveling at a speed of 55 miles per hour, the distance traveled could be calculated by multiplying the rate times the time. After 2 hours the car would have traveled:

55 miles per hour * 2 hours = 110 miles.

The linear equation would be

D = 55 miles per hour * t

where t is the number of hours traveled. A graph of this equation would look like: