Solve the equation by completing the square.k2 - 18k + 81 = 0
A. {-9, 9}
B. {-9, 3}
C. {9, -
, 
}
D. {9}
Answer: D
Mathematics
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Express the rational number as a terminating or repeating decimal number.
A. 2.5 B. 0.025 C. 0.25 D. 0.125
Mathematics
Graph the inequality.y < 21x - x4
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
+ y = -4
A. y = -26
B. y = - 
C. y = - 
D. y = 
Mathematics
Solve the problem.Zach is planning to invest up to $45,000 in corporate and municipal bonds. The least he will invest in corporate bonds is $6000 and he does not want to invest more than $27,000 in corporate bonds. He also does not want to invest more than $32,116 in municipal bonds. The interest is 8.8% on corporate bonds and 6% on municipal bonds. This is simple interest for one year. What is the maximum income?
A. $3456 B. $30,456 C. $21,456 D. $10,296
Mathematics