Simplify the expression. Assume all variables represent positive numbers.
- 
+ 
A. 
B. 
C. 
D. - 
Answer: A
Mathematics
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Evaluate the improper integral.
A. 100 B. 60 C. 120 D. 80
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Solve the logarithmic equation symbolically.ln x + ln x9 = 10
A. x = 
B. x = e
C. x = e10/9
D. x + x9 = e10
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Solve the problem.Suppose that the number of bacteria in a culture after x hours is given by 
. How many bacteria are in the culture after 8 hours?
A. 4 bacteria B. 2027 bacteria C. 5331 bacteria D. 13,460 bacteria
Mathematics
Find the product of the complex numbers. Leave answer in polar form.z1 = 2 + 2iz2 = 
- i
A. 4
B. 4
C. 4
D. 4
Mathematics