Determine whether the given lines are parallel, perpendicular, or neither.y = x + 8x + y = 0

A. Parallel
B. Neither
C. Perpendicular

Answer: C

Mathematics

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Write a numerical expression for the phrase and simplify it.The sum of 23 and -5, divided by the product of 2 and -3

A. ;  - 18
B. 23 + ;  -3
C. ;  -3
D. ;  - 

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Mathematics

Find the partial derivative.f(x, y) = x3 + 8x2y - 9xy3. Find fy(x, y).

A. 8x2 - 27xy2 B. 8x2 - 9xy2 C. 8x2y - 27y2 D. x3 + 16xy - 27xy2

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Mathematics

Solve for the specified variable. Assume that the constants have values for which the equation has exactly one real-number solution.H =  , for F.

A. F = 
B. F = 
C. F = H
D. F = 

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Mathematics

Write an equivalent expression with positive exponents and, if possible, simplify. -2/3

A.  3/2
B. 73/2
C. 72/3
D. -  2/3

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Mathematics