Solve.Write the largest four-digit number that can be made from the digits 3, 2, 7, and 1 if each digit must be used once.
A. 7312
B. 1237
C. 7321
D. 3721
Answer: C
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A population N declines by 7% each year. The initial population is 5,056. The population after ?t years is given by ?
A. 
B. 
C. 
D. 
Solve the problem.The sum of three consecutive integers is 306. Find the integers.
A. 100, 101, 102 B. 102, 103, 104 C. 100, 102, 104 D. 101, 102, 103
Solve the problem.A flagpole is perpendicular to the horizontal but is on a slope that rises 10° from the horizontal. The pole casts a 43-foot shadow down the slope and angle of elevation of the sun measured from the slope is 36°. How tall is the pole? Round your answer to the nearest 0.1 foot.
A. 36.4 ft B. 36.2 ft C. 33.5 ft D. 35.4 ft
Solve.Dominique buys $13.50 worth of gasoline for her car. If the gas station charges $1.399 per gallon, how many gallons did she get? (Round to the nearest tenth.)
A. 10.4 gal B. 1.0 gal C. 9.6 gal D. 96.5 gal