Multiply.(-5x + 5)(-2x + 12)
A. 10x2 - 70x - 70
B. 10x2 - 70x + 60
C. -7x2 - 70x + 60
D. -7x2 - 70x - 70
Answer: B
Mathematics
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for the volume of the tetrahedron cut from the first octant by the plane 
.
A. 
B. 
C. 
D. 
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Add.-13 + (-15) + (-24) + (-11)
A. -37 B. -7 C. -63 D. 11
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Find the distance between the pair of points. Give an exact answer, and where appropriate, an approximation to three decimal places.(-7, -3) and (2, 9)
A. 
, 21.213
B. 225
C. 15
D. 21
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Graph the function.y = sec(2x)
A. 
B. 
C. 
D. 
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