Write the expression in lowest terms.
A. 1
B. -1
C. 
D. 
Answer: A
Mathematics
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Solve.Find the center, foci, and vertices of the ellipse 
+ 
= 1
A. center at (3, 1)
foci at (3 + 3
, 1), (3 - 3
, 1)
vertices at (-3, 1), (9, 1)
B. center at (3, 1)
foci at (- 3
, 1), (3
, 1)
vertices at (6, 1), (-6, 1)
C. center at (3, 1)
foci at (3 + 3
, 3), (3 - 3
, 3)
vertices at (6, 1), (-6, 1)
D. center at (1, 3)
foci at (1 + 3
, 3), (1 - 3
, 3)
vertices at (-3, 1), (9, 1)
Mathematics
Multiply and simplify.
? 
A. r + 3
B. r - 3
C. 
D. 
Mathematics
Decide whether the statement is true or false.If two angles are supplementary and one is a right angle, then the other cannot be a right angle.
A. True B. False
Mathematics
Find the sum or difference, and write in lowest terms, if necessary.- 
- 
A. - 
B. - 
C. 
D. - 
Mathematics