Solve the equation.log x = -2
A. -20
B. -0.2
C. 0.01
D. -2
Answer: C
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Solve the problem.The index of refraction for air, Ia, is 1.0003.The index of refraction for water, Iw, is 1.3.If 
= 
, and A = 31.5°, find W to the nearest unit.
A. 24° B. 21° C. 22° D. 23°
Use the figure to answer the question.The sales figures for the Big "D" Company are shown below in a line graph.Big "D" Sales 
MonthWhat were the total sales for the first 6 months of 2011?
A. $366,000 B. $290,000 C. $46,000 D. $240,000
Solve the problem.A local race for charity has taken place since 1993. Using the actual speeds of the winners from 1993 through 1998, mathematicians obtained the formula 
, in which x represents the number of years after 1993 and y represents the winning speed in miles per hour. In what year is the winning speed predicted to be 7.16 mph?
A. 2006 B. 2005 C. 2004 D. 2007
Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.16 hours to 48 days
A. 
B. 
C. 
D. 