Decide whether the pair of lines is parallel, perpendicular, or neither.The line through (6, 8) and (6, -6) and the line through (-2, -3) and (-2, -10)
A. Parallel
B. Perpendicular
C. Neither
Answer: A
Mathematics
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Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with length of major axis 12 and y-intercepts 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Write an equation of the line passing through the given points.(0, 0) and 
A. y = 
B. y = 8x
C. y = 
x
D. y = 8
Mathematics
Use the rules of exponents to simplify. Write the answer with positive exponents. Assume that all variables represent positive values.(x2/3)2/7
A. x20/21 B. x2/3 ? x2/7 C. x4/21 D. x4/7
Mathematics
Solve.p + 
= - 
A. 
B. 
C. 
D. 
Mathematics