Find the product.(-2x - 3)(5x - 9)
A. -10x2 + 3x + 3
B. -10x2 + 3x + 27
C. 3x2 + 3x + 3
D. 3x2 + 3x + 27
Answer: B
Mathematics
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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = 3xy2i + 3x2yj + 6xyk ; D: the region cut from the solid cylinder x2 + y2 ? 9 by the planes z = 0 and 
A. 1,458?
B. 729?
C. 2,916?
D. 
?
Mathematics
Find the center and the radius of the sphere that has the given equation.
x²+y²+z²-2x+6y=0
Mathematics
Factor completely.(q - 2)2 - 100
A. ((q - 2)2 + 10)((q - 2)2 - 10) B. (q + 12)(q - 12) C. (q + 8)2 D. (q + 8)(q - 12)
Mathematics
Write the statement as an inequality.x is less than 6
A. x ? 6 B. x > 6 C. x ? 6 D. x < 6
Mathematics