Determine whether the following pairs of equations represent parallel lines, perpendicular lines, or neither of these.
?
?
A. parallel lines
B. perpendicular lines
C. neither
Answer: B
Mathematics
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Solve the problem.Set up the triple integral for the volume of the sphere 
in spherical coordinates.
A. 
B. 
C. 
D. 
Mathematics
Determine if the given ordered triple is a solution of the system. x - y + 2z = -5
z = -5 x + 2y + z = -15(0, -5, -5)
A. No B. Yes
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, say it is prime.7x2 - 10x - 8
A. (7x + 4)(x - 2) B. (7x + 2)(x - 4) C. (7x - 4)(x + 2) D. (7x - 2)(x + 4)
Mathematics
Simplify.(102 - 3) ? 4
A. 280 B. 88 C. 196 D. 388
Mathematics