Add or subtract by first simplifying each radical (if needed) and then combining any like radical terms.6
- 11
+ 2
A. -7
B. -3
C. 3
D. 7
Answer: B
Mathematics
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Solve the problem.For what value of a is the volume of the tetrahedron formed by the coordinate planes and the plane 
equal to 9?
A. a = 
B. a = 
C. a = 
D. a = 9
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Find the function value.Find f(2) if f(x) = 4x2 - 5x - 2.
A. 24 B. 8 C. -8 D. 4
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Find the real solutions, if any, of the equation. Use the quadratic formula.2x2 + 4x - 6 = 0
A. 
B. 
C. 
D. 
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