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