Solve the quadratic equation by completing the square.3x2 - 2x - 2 = 0
A. x = 
B. x = -2, x = 
C. x = 
D. x = 
Answer: A
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Find the surface area of the circular solid. Unless otherwise specified, use 3.14 for ? and round your answer to the nearest tenth.A right circular cylinder with d = 10 m, h = 7.4 m
A. 194.7 m2 B. 273.2 m2 C. 389.4 m2 D. 580.9 m2
Solve.In an office building, 17 offices are currently being unrented. This represents 2% of the total units. How many offices are there in the building?
A. 850 offices B. 8500 offices C. 34 offices D. 85 offices
Translate the situation into mathematical language. You need not actually solve the problem.A commercial jet has been instructed to climb from its present altitude of 8000 feet to a cruising altitude of 35,000 feet. If the plane ascends at a rate of 2500 ft/min, how long will it take to reach cruising altitude?
A. Let t represent the number of minutes to reach cruising altitude; 
B. Let t represent the number of minutes to reach cruising altitude; 
C. Let t represent the number of minutes to reach cruising altitude; 
D. Let t represent the number of minutes to reach cruising altitude; 
Solve.The half-life of silicon-32 is 710 years. If 50 grams is present now, how much will be present in 500 years? (Round your answer to three decimal places.)
A. 47.618 g B. 0.379 g C. 30.689 g D. 0 g