Write the given statement as an equation.The area of an equilateral triangle varies directly as the square of the side s.
A. A = 
B. A = ks2
C. A = 
D. A = k2s
Answer: B
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Solve the problem.Find an upper bound for 
in estimating 
with n = 6 steps.Give your answer as a decimal rounded to five decimal places.
A. 0.02473 B. 0.03148 C. 0.03308 D. 0.03935
Solve the problem.Find the volume generated by revolving about the x-axis the region bounded by the following graph:
A. 196?
B. 
?
C. 
?
D. 14?
Convert the given degree measure into degrees, minutes, and seconds of arc.335.76°
A. 335°45'36" B. 335°46'35" C. 335°35'76" D. 335°45'76"
Solve the problem.A 100 gal tank is half full of distilled water. At time = 0, a solution containing 2 lb/gal of concentrate enters the tank at the rate of 4 gal/min, and the well-stirred mixture is withdrawn at the rate of 
When the tank is full, how many pounds of concentrate will it contain?
A. 200 pounds B. 150 pounds C. 187.5 pounds D. 175 pounds