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