Answer the question.How many lines can be drawn through 12 points, no three of which are collinear?
A. 132
B. 12
C. 66
D. 11
Answer: C
Mathematics
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Solve the problem.A radio telescope has a parabolic surface. If it is 1 meters deep and 
wide, how far is the focus from the vertex?
A. 3 m B. 1 m C. 36 m D. 9 m
Mathematics
Solve the equation for the specified variable.P = 2L + 2W; solve for L
A. L = 
B. L = P - W
C. L = 
D. L = P - 2W
Mathematics
Find the end behavior of the polynomial function. f(x) = 5x4 - 7x2 - 7
A. f(x) ? -? as x ? -?; f(x) ? ? as x ? ? B. f(x) ? -? as x ? -?; f(x) ? -? as x ? ? C. f(x) ? ? as x ? -?; f(x) ? -? as x ? ? D. f(x) ? ? as x ? -?; f(x) ? ? as x ? ?
Mathematics
Use substitution to solve the system of equations.x - 5y = 322x - 5y = 29
A. Inconsistent; no solutions B. (-2, -8) C. (-2, -3) D. (-3, -7)
Mathematics