Simplify the expression. Assume all variables represent positive real numbers.13
- 5
A. 8
B. 13
- 5
C. 12
D. -12
Answer: D
Mathematics
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Rationalize the numerator of the expression.
?
?
A. 
B. 
C. 
D. 
E. 
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Find the distance between the two points on the coordinate plane. Give an exact answer.(2, -6) and (6, -4)
A. 12 units
B. 12
units
C. 2
units
D. 2 units
Mathematics
Solve by completing the square. If the equation has no real solutions, write "no real-number solutions."5x2 - 9x + 6 = 0
A. 
B. no real-number solutions
C. 
D. 9 ± 
Mathematics
Find the vertex of the parabola.f(x) = x2 - 8x + 24
A. (0, 24) B. (4, 24) C. (0, 8) D. (4, 8)
Mathematics