Simplify the expression. Assume that all variables are positive when they appear.

A. 23
B. ±8
C. 64
D. 8


Answer: D

Mathematics

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Identify the numerical coefficient of the term.-v

A. 1 B. v C. 0 D. -1

Mathematics

Convert the equation to the standard form for a hyperbola by completing the square.y2 - 4x2 - 2y - 8x - 7 = 0

A.  - (y + 1)2 = 1
B.  - (x + 1)2 = 1
C.  - (x + 2)2 = 1
D. (x + 1)2 -  = 1

Mathematics

Divide.

A. 9  B. 9.9 C. 10.1 D. 10

Mathematics

Evaluate and simplify completely. Write your answer as a mixed number if possible.18 - 6 

A. 11 
B. 11 
C. 12 
D. 11 

Mathematics