Write the Roman numeral as a Hindu-Arabic numeral.XVIII
A. 108
B. 48
C. 63
D. 18
Answer: D
Mathematics
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Solve the problem.A certain radioactive isotope decays at a rate of 0.1% annually. Determine the half-life of this isotope, to the nearest year.
A. 301 yr B. 7 yr C. 693 yr D. 500 yr
Mathematics
Graph the function.f(x) = 2-x - 1
A. 
B. 
C. 
D. 
Mathematics
Find the term indicated in the expansion.(x - 2y)11; 8th term
A. 21,120x7y4 B. -42,240x7y4 C. 21,120x4y8 D. -42,240x4y7
Mathematics
Solve the equation.4x + 24 = 0
A. {-6} B. {6} C. {-4} D. {4}
Mathematics