Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the exact value of the square root without a calculator.-
A. 25 B. -312 C. 312 D. -25
Mathematics
Solve the problem.If a person is randomly selected, find the probability that his or her birthday is not in May. Ignore leap years.
A. 
B. 
C. 
D. 
Mathematics
Find all solutions of the equation in the complex number system.x3 + 1 = 0
A. {-1}
B. {-1i, 
+ 
i, 
- 
i}
C. {-1, 
+ 
i, 
- 
i}
D. {-1, 
+ 
, 
- 
}
Mathematics
Find the product.(4 + x)(3x + 10)
A. 3x2 + 21x + 40 B. x2 + 22x + 22 C. 3x2 + 40x + 22 D. 3x2 + 22x + 40
Mathematics