Find an equation for the line with the given properties.Perpendicular to the line 9x - 8y = -17; containing the point (-9, 8)
A. 9x + 8 = 9
B. 8x - 9y = 0
C. 8x + 9y = 0
D. -9x + 8y = -17
Answer: C
Mathematics
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150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.A score of 50 corresponds to a standardized value of
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Solve.Find 176 divided by 9.
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Solve the problem.An airplane is sighted at the same time by two ground observers who are 5 miles apart and both directly west of the airplane. They report the angles of elevation as 12° and How high is the airplane?
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