Solve the problem.Planets A, B, C, and D all revolve around Star X. Planet A takes 1 year, Planet B 48 years, Planet C 162 years, and Planet D9 years. How frequently do these four planets line up with each other.
A. Every 1296 years
B. Every 324 years
C. Every 432 years
D. Every 648 years
Answer: A
Mathematics
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Find the domain and graph the function.F(t) = 
A. D: (-?, -3) ? (-3, ?)
B. D: (-?, -3) ? (-3>, ?)
C. D: (-?, 0) ? (0, ?)
D. D: (-?, ?)
Mathematics
Multiply.-5x(-11x - 9)
A. 100x2 B. 55x2 - 9x C. -11x2 + 45x D. 55x2 + 45x
Mathematics
Rewrite the sum using sigma notation.0 + 2 + 6 + 12 + 20
A. 
B. 
C. 
D. 
Mathematics
Solve the following equation for x.det
= 12
A. {4} B. {-2} C. {12} D. {18}
Mathematics