1. Write a cost function for each situation. Identify all variables used. (a) A chain-saw rental firm charges $12 plus $1 per hour.
(b) A trailer-hauling service charges $445 plus $2 per mile.
(c) A parking garage charges 50¢ plus 35¢ per half-hour.
(d) For a one-day rental, a car rental charges $44 plus 28¢ per mile.

the k side

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the answer is 62.8 cubic units

3/5

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double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.

answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

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