Solve the quadratic inequality. Graph the solution.x2 ? 16
A. [-4, 4]
B. [4, ?)
C. (-?, -4] ? [4, ?)
D. (-?, -4) ? (4, ?)
Answer: C
Mathematics
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Solve for the specified variable. Assume that all other variables are nonzero.(b + 11)y2 + 5y + 8z = 0; for y
A. y = 
B. y = 
C. y = 
D. y = 
Mathematics
Find the equation of the parabola described.Focus at (0, 18); directrix the line y = -18
A. x2 = -72y B. x2 = 72y C. y2 = 72x D. y2 = 18x
Mathematics
Answer the following:
a. Prove that having n vertices, where n is a positive integer, is an invariant for graph isomorphism. b. Prove that having a vertex of degree 3 is an invariant for graph isomorphism.
Mathematics
Find the probability.Find the probability that 2 randomly selected people all have the same birthday. Ignore leap years.
A. 0.00000751 B. 0.5 C. 0.00273973 D. 0.0055
Mathematics