Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.(5m-4n-3)3(2m3n-8)-2
A. 
B. 
C. - 
D. 
Answer: D
Mathematics
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Write the word phrase as an algebraic expression. Use x to represent the unknown value.The difference of seventeen and a number, divided by four.
A. 
- 17
B. 
C. 17 - 
D. 
Mathematics
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
Mathematics
Find the limit.
sec2 x - tan2 y + z
A. 2 B. 7 C. 8 D. 1
Mathematics
Find all real solutions of the equation.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics