Provide an appropriate response.A graph designed to quickly illustrate to the reader whether a set of data is increasing, decreasing, or fluctuating is a:
A. range graph
B. bar graph
C. circle graph
D. line graph
Answer: D
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Use a proportion to solve the problem.On an architect's blueprint, 1 inch corresponds to 6 feet. If an exterior wall is 
long, find how long the blueprint measurement should be. Write answer as a mixed number if necessary.
A. 5 in. B. 6 in. C. 2 in. D. 8 in.
Solve the problem.William wants to buy a piece of copper wire that measures 641 cm. The price is $4.44 per meter plus a 7% sales tax. How much will William have to pay? Round to the nearest cent.
A. $28.70 B. $30.45 C. $28.46 D. $28.50
If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.II, 
A. Negative B. Positive
Solve the problem.The highway speeds of 100 cars are summarized in the frequency distribution below. Find the grouped mean rounded to the nearest tenth of a mile per hour. 
A. 60.8 mph B. 54.5 mph C. 58.1 mph D. 55.3 mph