Express as a difference of logarithms.log4
A. log4 3 - log4 2
B. log4 2 - log4 3
C. log4 2 + log4 3
D. log2 2 - log2 3
Answer: B
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Use reference angles to find the exact value of the expression. Do not use a calculator.tan 
A. 
B. 
C. -
D. - 
Solve the problem.If f varies jointly as q2 and h, and 
when q = 3 and 
, find q when 
and 
.
A. 5 B. 3 C. 2 D. 4
Solve the problem. Write your answer as a mixed number when possible.A biology experiment required pouring 
gallon of nutrient solution and 
gallon of pure water into a tank. At the end of the experiment, 
gallon of fluid had evaporated. How much fluid remained in the tank?
A. 2
gallon(s)
B. 
gallon(s)
C. 
gallon(s)
D. 13
gallons(s)
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.
+ 
A. 
B. - 
C. 
D. - 