Solve the quadratic inequality if possible. Round your answer to the nearest tenth, if necessary.10x2 ? 9x2 - 9
A. All real numbers satisfy this inequality.
B. No real number satisfies this inequality.
C. -3 ? x ? 3
D. x ? 3
Answer: B
Mathematics
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Write the complete binomial expansion.(3x + 2)4
A. 81x4 + 16 B. 81x4 + 6x2 + 16 C. 9x4 + 6x2 + 4 D. 81x4 + 216x3 + 216x2 + 96x + 16
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Classify the angle.T
A. Right B. Acute C. Straight D. Obtuse
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Graph the circle.x2 + (y - 6)2 = 9
A. 
B. 
C. 
D. 
Mathematics
Find the circumference of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 58.09 mi B. 232.36 mi C. 116.18 mi D. 4298.66 mi
Mathematics