Solve by completing the square.x2 + 3x - 9 = 0
A. 
B. -3 ± 3
C. 
D. 
Answer: C
Mathematics
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Use the appropriate formula to solve the problem.Find the corresponding Celsius temperature for a temperature of 204°F. Round to the nearest tenth, if necessary.
A. 309.6°C B. 109.8°C C. 95.6°C D. 399.2°C
Mathematics
Subtract.14 - (-9)
A. -23 B. 23 C. -5 D. 5
Mathematics
Represent the shaded area in the figure group with an improper fraction.
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial is prime, then state this as your answer.81x2 + 36xy + 4y2
A. (9x - 2y)2 B. (9x + 2y)(9x - 2y) C. (81x + y)(x + 4y) D. (9x + 2y)2
Mathematics