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