Add or subtract as indicated. Simplify, if necessary. 
y + 
y
A. 
y
B. 
y2
C. 
y2
D. 
y
Answer: D
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
Convert to radical notation and simplify.243 -3/5
A. - 
B. -27
C. 
D. 
Mathematics
Divide. If the division is not possible, write "undefined."
A. 44,249 R3 B. 44,249 R4 C. 44,248 R10 D. 44,249
Mathematics
Divide, if possible. Write the answer in simplest form.
÷ 
A. 
B. 1
C. 
D. 
Mathematics