Factor.u2 - 2uv - 8v2
A. (u - v)(u + 4v)
B. (u - 2v)(u + 4v)
C. (u + 2v)(u - 4v)
D. (u - 2v)(u + v)
Answer: C
Mathematics
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Simplify.
+ 
A. 
B. 
C. - 
D. 
Mathematics
Solve the problem.The table lists the amount of emissions of a certain pollutant in millions of tons.
If the amount of emissions is modeled by a function of the form 
where x is the year, estimate the year in which the amount of emissions will be 
tons.
A. 2090 B. 2020 C. 2075 D. 2050
Mathematics
Find the values of x for which the expression is a real number.
A. 
B. 
C. 
D. 
Mathematics
Simplify the radical. Assume that all variables represent positive real numbers.- 
A. 
B. 
C. - 
D. Not a real number
Mathematics