Solve.x2 = 81
A. 40.5
B. -9, 9
C. -10, 10
D. 9
Answer: B
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A plane flying horizontally at an altitude of 1 mi and a speed of 550 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 2 mi away from the station.
Select the correct answer. a. ? 476 mi/h b. ? 670 mi/h c. ? 455 mi/h d. ? 570 mi/h e. ? 495 mi/h
Typically, the customers of organizations using the cost-leadership strategy are not highly loyal.
Answer the following statement true (T) or false (F)
Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student has at least 2 siblings?
A. 0.77 B. 0.23 C. 0.4 D. 0.6
Solve.log4
= x
A. 
B. {-2}
C. {2}
D. 