Simplify the fraction.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Use the information below to determine the indicated set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z}A ? B'
A. {u, w} B. {q, s, t, u, v, w, x, y} C. {t, v, x} D. {r, s, t, u, v, w, x, z}
Mathematics
Factor the binomial completely.9x2 - 49y2
A. (3x - 7y)2 B. (3x + 7y)2 C. (3x + 7y)(3x - 7y) D. prime
Mathematics
Find an equation for the ellipse described.Vertices at (5, -4) and (5, 8); length of minor axis is 6
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Provide an appropriate response.Plot the point 
and find other polar coordinates (r, ?) of the point for which: (a)r > 0, -2? ? ? < 0 (b) r < 0, 0 ? ? < 2? (c) r > 0, 2? ? ? < 4?
A. (a) 
, (b) 
, (c) 
B. (a) 
, (b) 
, (c) 
C. (a) 
, (b) 
, (c) 
D. (a) 
, (b) 
, (c) 
Mathematics