Add. Simplify, if possible.-1
+ 11
A. 12
B. 9
C. 9
D. 11
Answer: C
Mathematics
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Solve the inequality. Give answer in interval notation.(x + 6)(x + 5)(x - 7) < 0
A. (-?, -5) B. (7, ?) C. (-6, -5) ? (7, ?) D. (-?, -6) ? (-5, 7)
Mathematics
Consider the system: 
. Which of the following statements is true?
A. If k = 10, the system has infinitely many solutions. B. If k = 10, the system has no solution. C. If k ? 10, the system has exactly one solution. D. none of these
Mathematics
Perform the indicated operation and simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Fill in the blank with one of the words or phrases listed below.
The 
of a line measures the steepness or tilt of a line.
A. solution B. x-intercept C. slope D. y-intercept
Mathematics