Select the augmented matrix for the system of linear equations.
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A. ?
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Use the graph of y = ax2 + bx + c to solve the quadratic equation or inequality.ax2 + bx + c < 0
A. -3 < x < 3 B. -3 ? x ? 3 C. 3 < x < 3 D. x < -3 or x > 3
Mathematics
Add or subtract. Simplify the answer.
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A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Find the present value of an ordinary annuity with quarterly payments of $250 for 40 years at 7.25% compounded quarterly.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Write the decimal as a fraction. Do not write in lowest terms.6.9
A. 
B. 
C. 
D. 
Mathematics