Use a vertical format to add the polynomials.2x5 - 4x2 + 8x 
A. 9x8
B. 15x5 - 4x2 - 2x
C. 9x - 10x5 + 10x2
D. 9x5 - 10x2 + 10x
Answer: D
Mathematics
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Solve the problem.An artifact is discovered at a certain site. If it has 55% of the carbon-14 it originally contained, what is the approximate age of the artifact, to the nearest year? (Carbon-14 decays at the rate of 0.0125% annually.)
A. 4400 years old B. 3600 years old C. 2077 years old D. 4783 years old
Mathematics
Calculate. Write the answer in lowest terms and as a mixed number where appropriate.27 ÷ 5
A. 6
B. 3
C. 4
D. 5
Mathematics
Factor.108x2 + 63xy + 9y2
A. 9(3x + y)(4x + y) B. (3x + y)(9x + 3y) C. 9(3x - y)(4x - y) D. (27x + 9y)(4x + y)
Mathematics
Find the requested composition or operation.f(x) = 8x2 - 9x, g(x) = x2 - 7x - 18Find 
(x).
A. 
B. 
C. 
D. 
Mathematics