Graph the system of inequalities.x2 + y2 ? 645x + 4y ? 20
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the root. Round to three decimal places if necessary.
A. 0.500 B. 1.837 C. 1.5 D. 1.355
Mathematics
Solve the problem.Find the acute angle ? (in degrees) that satisfies the equation ? = tan-1 (1).
A. 45° B. 180° C. 0° D. 90°
Mathematics
Find the mean.Ten students in Mrs. Smith's math class took a state sponsored aptitude test. Their math scores were reported to Mrs. Smith: 496, 597, 359, 351, 592, 360, 344, 599, 482, and 470. Find the mean score. Round your answer to one decimal place if necessary.
A. 465.0 B. 474.5 C. 476.0 D. 455.9
Mathematics
Solve the compound inequality. Give the solution set in both interval and graph form.-55 ? 9x - 1 and 3x - 6 < -12
A. [-6, -2)
B. [-6, -2]
C. (-6, -2)
D. (-6, -2]
Mathematics