Rewrite the expression with positive exponents then, if the expression is numeric, evaluate it.x-3

A.
B.
C. x3
D. 3x


Answer: A

Mathematics

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Use a half-angle identity to find an exact value for the following, given the information about x. Find cos x given that cos 2x =  and 0 ? 2x < .

A. cos x =  7
B. cos x =  
C. cos x = 
D. cos x =  

Mathematics

Solve the problem.A boat moves 6 kilometers upstream in the same amount of time it moves 20 kilometers downstream. If the rate of the current is 5 kilometers per hour, find the rate of the boat in still water.

A. 2 kilometers per hour
B. 5 kilometers per hour
C. 9 kilometers per hour
D. 8 kilometers per hour

Mathematics

Plot the number in the complex plane.6 - i

A.
 
B.
 
C.
 
D.

Mathematics

Which of the following types of CEO succession has the greatest potential to motivate employees to perform well?

A. outsider succession B. inside/outside succession C. insider succession D. all of these

Mathematics