Solve the equation.x(2x + 4) = 0
A. 0, 
B. 0, 2
C. - 
, 0
D. -2, 0
Answer: D
Mathematics
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Solve the problem.Find the equation of the sphere with center = (0, -1, 2) and radius = 5.
A. x2 + (y + 1)2 + (z + 2)2 = 25 B. x2 - (y + 1)2 - (z - 2)2 = 25 C. x2 + (y + 1)2 + (z - 2)2 = 25 D. x2 + (y - 1)2 + (z - 2)2 = 25
Mathematics
Change the decimals to their fraction or mixed-number equivalents, and reduce answers to lowest terms.0.352
A. 
B. 
C. 
D. 
Mathematics
Find the median of the data set.10, 4, 24, 11, 28, 48, 40, 40
A. 26 B. 24 C. 25.5 D. 28
Mathematics
Find the domain and range of the function.f(x) = (x + 3)2 + 8
A. Domain: (-?, ?); range: (-8, ?) B. Domain: (-?, ?); range: [8, ?) C. Domain: (-8, ?); range: (-?, ?) D. Domain: (8, ?); range: (-?, ?)
Mathematics