Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.2 log6 4 + 
log6(r - 1) - 
log6 r
A. log6 
B. log6 
C. log6 
D. log6 
Answer: C
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The scores on a 30-point multiple-choice exam are given in the following frequency table:
The median score on the exam is
A. 25. B. 26.5. C. 26. D. 25.5. E. none of these
Graph the region described by the inequality.y < 
x
A. 
B. 
C. 
D. 
Solve. Round to the nearest tenth, if necessary.Due to a lack of funding, the number of students enrolled at City College went from 6000 last year to 5000 this year. Find the percent decrease in enrollment. (Round to the nearest tenth of a percent, if necessary.)
A. 83.3% B. 20% C. 120% D. 16.7%
Find the length of the arc on a circle of radius r intercepted by a central angle ?. Round answer to two decimal places.r = 45 inches, ? = 35°
A. 28.78 inches B. 29.92 inches C. 27.49 inches D. 25.64 inches