Solve the problem.The sound of an explosion at a fireworks factory was heard 30 miles away in every direction. How many square miles are in the area where people heard the explosion? Use ? ? 3.14 and round to the nearest hundredth.
A. 188.4 square miles are in the area where people heard the explosion.
B. 2826 square miles are in the area where people heard the explosion.
C. 94.2 square miles are in the area where people heard the explosion.
D. 11,304 square miles are in the area where people heard the explosion.
Answer: B
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Solve the equation.
= 
A. -2, 6 B. 0, - 3 C. No solution D. 0, 36
Work the application.Wing Ah averages 17 miles per gallon of gasoline in her car. How far can she travel on 15 gallons of gasoline?
A. 255 miles B. 265 miles C. 42 miles D. 32 miles
Solve the problem.The five sales people at Southwest Appliances earned commissions last year of 
, 
, 
, 
, and 
. Find the mean commission.
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