Find the vertices of the hyperbola.4(x - 2)2 - 25(y - 4)2 = 100
A. (2, 6) and (2, 2)
B. (-2, -2) and (-2, -6)
C. (-3, 4) and (7, 4)
D. (-7, -4) and (3, -4)
Answer: C
Mathematics
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Solve and graph the solution set on a number line.5(2x + 6) < 15x + 5 
A. (5, ?)
B. (-?, 5)
C. [5, ?)
D. (-?, 5]
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Write the phrase as a variable expression. Use x to represent "a number."The product of -18 and the sum of a number and 30
A. -540x B. -18 + 30x C. -18x + 30 D. -18(x + 30)
Mathematics
Solve the problem.If n(A ? B) = 70, n(A ? B) = 22, and n(A) = n(B), find n(A).
A. 46 B. 11 C. 24 D. 35
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Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.tan ? = 
, 0 < ? < 
Find cos 2?.
A. 
B. - 
C. 
D. - 
Mathematics