Simplify the expression.
A. 21
B. 36
C. 20
D. 18
Answer: D
Mathematics
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Solve the problem using Gaussian elimination.A $120,000 trust is to be invested in bonds paying 7%, CDs paying 6%, and mortgages paying 10%. The sum of the bond and CD investment must equal the mortgage investment. To earn an $9740 annual interest from the investments, how much should the bank invest in bonds?
A. $60,000 B. $46,000 C. $12,000 D. $14,000
Mathematics
Write as a decimal.70.4%
A. 0.594 B. 0.0704 C. 7.04 D. 0.704
Mathematics
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.3x2 + 13x - 10 ? 0
A. [-5, ?)
B. (-?, -5] ? 
C. 
D. 
Mathematics
Estimate the value as a whole number or as a mixed numeral where the fractional part is 
.4
A. 4
B. 5
C. 6
D. 4
Mathematics