Solve the problem.If a submarine goes 2k3 + 14k2 + 10k - 56 miles in 2k + 8 hours, what is its rate of speed?
A. k2 + 11k - 7 mph
B. k2 + 3k - 7 mph
C. k2 - 3k + 7 mph
D. k3 + 3k2 - 7k mph
Answer: B
Mathematics
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Find the median.Salaries of doctors: $115,000, $123,000, $181,000, $202,000, $238,000, $128,000, 
$899,000, $206,000, $158,000
A. $237,000 B. $169,500 C. $181,000 D. $263,000
Mathematics
Determine whether the graph of the equation is a circle, parabola, ellipse, or hyperbola. Sketch the graph.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics
The job of strategic leadership is reserved for top managers. Managers at lower levels can not be strategic leaders.
Answer the following statement true (T) or false (F)
Mathematics
Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x + 3y + 2z = 11 4y + 9z = -12
A. 
B. 
C. 
D. 
Mathematics