Simplify the expression. Assume that all variables are positive.
? 
A. 
B. 2
C. 
D. 14
Answer: B
Mathematics
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Solve the problem.The population of a particular species of insect was 10,000 in 1960. In 1980, there were 1600 fewer, and this year, there are 3400 fewer. What is the current population?
A. 11,800 insects B. 5000 insects C. 8200 insects D. 15,000 insects
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Mathematics
Find the following using a calculator. Round to four decimal places.log 68
A. 4.7195 B. 4.2195 C. 1.8325 D. 1.3325
Mathematics
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
A. x - 2
B. x + 2
C. x - 6
D. 
Mathematics