Solve the problem.The table gives the outside temperature in degrees Fahrenheit on a winter day in Death Valley, California.Calculate the average rate of change in temperature between 8:00 am and 11:00 am. Round your answer to two decimal places.

A. 3.98°
B. 2.60°
C. 3.67°
D. 4.70°

Answer: C

Mathematics

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Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs $5 per foot for two opposite sides, and $3 per foot for the other two sides. Find the dimensions of the field of area 850 ft2 that would be the cheapest to enclose.

A. 48.6 ft @ $5 by 17.5 ft @ $3 B. 22.6 ft @ $5 by 37.6 ft @ $3 C. 37.6 ft @ $5 by 22.6 ft @ $3 D. 17.5 ft @ $5 by 48.6 ft @ $3

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Mathematics