Find the common difference for the arithmetic sequence.794, 786, 778, 770, . . .
A. -794
B. -8
C. 794
D. 8
Answer: B
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In business, equipment is often depreciated using the double declining-balance method. In this method, a piece of equipment with a life expectancy of N years, costing $C, will depreciate to a value of $V in n years, where n is given by the formula
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A word processor worth $470 when new had a life expectancy of 10 years. If it is now worth $130, how old is it? Round to the nearest tenth.
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A. 2.8 years old B. 5.8 years old C. 1.5 years old D. 0.3 years old E. 7.2 years old
Use the product rule to simplify the expression.
? 
A. 14
B. 14x2
C. 14
D. 14
Solve. Remember to insert units when writing your answer.Two boxes of rice are combined into one container. If one of the boxes contains 3 lb 15 oz and the other contains 
how much total rice is there?
A. 6 lb 4 oz B. 5 lb 3 oz C. 5 lb 4 oz D. 6 lb 3 oz
Use a proportion to solve the problem.The ratio of the height to the width of a packaging label is 5 to 19. If the height of the label is 3.5 inches, what is its width?
A. 8.5 in. B. 13.3 in. C. 0.9 in. D. 22.5 in.