Use least common multiple or greatest common divisor to solve the problem.Planets A, B, and C orbit a certain star once every 2, 5, and 12 months, respectively. If the three planets are now in the same straight line, what is the smallest number of months that must pass before they line up again?
A. 19 months
B. 60 months
C. 24 months
D. 120 months
Answer: B
Mathematics
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Graph the function.y = log5x
A. 
B. 
C. 
D. 
Mathematics
Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics
A vector v has initial point P and terminal point Q. Graph 
and write 
as 
P = (-7, 1), Q = (5, 1)
A. 
B. 
C. 
D. 
Mathematics
Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ? B. {(5, 0)} C. {(0, -5)} D. {(1, -6)}
Mathematics