Are the given lines parallel, perpendicular, or neither?
-3x+ 7y- 2= 0
7x+ 3y+ 3= 0
perpendicular
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 vertices (±6, 0) and foci at (±5, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Determine if the pair of polar coordinates represents the same point.(8, 44°), (8, -44°)
A. No B. Yes
Mathematics
Which of the following expressions is equivalent to 
? (x ? ?n, y ? ?n, where n is a whole number)
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use a proportion to solve the problem.The ratio of the height to the width of a packaging label is 5 to 19. If the height of the label is 3.5 inches, what is its width?
A. 8.5 in. B. 13.3 in. C. 0.9 in. D. 22.5 in.
Mathematics