Solve the problem.The number of years since two independently evolving languages split off from a common ancestral language is approximated by 
where r is the percent of words from the ancestral language common to both languages now. What is 
A. 2154 years
B. 215 years
C. 2087 years
D. 20,872 years
Answer: A
Mathematics
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Change the fraction to a decimal. Round as indicated.1
three decimal places
A. 0.893 B. 1.786 C. 0.357 D. 8.930
Mathematics
Solve the problem.How many different 10-letter words can be formed from the letters in the word IMMUNOLOGY?
A. 90,720 B. 907,200 C. 3,628,800 D. 1,814,400
Mathematics
Solve the formula for the indicated variable.PV = nRT
for n
A. n = 
B. n = 
C. n = 
D. n = 
Mathematics
State the domain of the rational function.f(x) = 
A. (-?, 4) ? (4, ?) B. (-?, ?) C. (-?, -36) ? (-36, ?) D. (-?, -4) ? (-4, ?)
Mathematics