Find the area of the shaded region.
A. ?
B. 2
C. 2?
D. 2 + 2?
Answer: C
Mathematics
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Solve. Graph the solution on a number line, and express it in interval notation.-3 ? 
A. x < 24, (-?, 24)
B. x ? 24, [24, ?)
C. x ? 24, (-?, 24]
D. x > 24, (24, ?)
Mathematics
Identify the number as prime, composite, or neither.1
A. Prime B. Neither C. Composite
Mathematics
Factor using the formula for the sum or difference of two cubes.x3 - 27
A. (x + 3)(x2 - 3x + 9) B. (x + 27)(x2 - 1) C. (x - 3)(x2 + 3x + 9) D. (x - 3)(x2 + 9)
Mathematics
Find the vertex, focus, and directrix of the parabola. Graph the equation.x2 = 16y
A. vertex: (0, 0)
focus: (0, 4)
directrix: y = -4
B. vertex: (0, 0)
focus: (0, -4)
directrix: y = 4
C. vertex: (0, 0)
focus: (-4, 0)
directrix: x = 4
D. vertex: (0, 0)
focus: (4, 0)
directrix: x = -4
Mathematics