Find the square root and simplify. Round to the nearest thousandth if necessary.
A. 
B. 
C. 
D. 
Answer: C
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Convert to years, expressed in decimal form to the nearest hundredth when necessary.19 months
A. 228 years B. 1.58 years C. 1.9 years D. 1.73 years
Write the radical expression as an exponential expression.
A. 71/3
B. 31/7
C. 73
D. 
Solve the problem.The polynomial 
gives the approximate total earnings of a company, in millions of dollars, where x represents the number of years since 1996. This model is valid for the years from 1996 to 2000. Determine the earnings for 2000. Round to 2 decimal places.
A. $2.03 million B. $2.82 million C. $2.36 million D. $2.26 million
Solve the problem.A tree casts a shadow 20 m long. At the same time, the shadow cast by a 68-cm tall statue is 82 cm long. Find the height of the tree. Round results to the nearest unit.
A. 17 m B. 23 m C. 16 m D. 24 m