Solve the percent of change problem.The number of video stores in a region decreased from 122 to 87 during a recent recession. Find the percent of decrease during this time period. Round to the nearest tenth of a percent.
A. 28.7%
B. 71.3%
C. 248.6%
D. 40.2%
Answer: A
Mathematics
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Evaluate the logarithm, if possible. Round the answer to four decimal places.log (-17)
A. 2.8332 B. Does not exist C. 1.2304 D. 0.9843
Mathematics
Write the percent as a decimal.500%
A. 50 B. 500 C. 5 D. 0.5
Mathematics
Add or subtract as indicated.- 
- 
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the vertex of the parabola.y = 2x2 - 12x + 16 = 0
A. 
B. (3, -2)
C. 
D. 
Mathematics