Evaluate the expression.
+
÷
? 
A. -
B.
C. -
D. -
Answer: B
Mathematics
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Find the focus and directrix of the parabola.y2 = 4x
A. (1, 0); x = -1 B. (0, 1); y = -1 C. (1, 0); x = 1 D. (1, 1); x = 1
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Solve the problem.Evaluate Rwhere R is the parallelepiped enclosed by the planes
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A.
B.
C.
D.
Mathematics
Determine whether the number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, and/or 10.2867
A. None B. 3, 7 C. 3, 5 D. 3
Mathematics
Solve the problem.Find an equation of the hyperbola that passes through the points (-3, -2) and (4, ).
A. -
= 1
B. -
= 1
C. 3y2 - 7x2 = 1
D. -
= 1
Mathematics