Plot the complex number in the complex plane.-2 + 5i 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Plot the point whose polar coordinates are given.(4, 5?)
A. 
B. 
C. 
D. 
Mathematics
The triangles are similar. Use them to find the length of side x.
A. x = 15 B. x = 10 C. x = 5 D. x = 7
Mathematics
Evaluate. Assume that all variables represent positive numbers. |-21|
A. 0 B. 42 C. 21 D. -21
Mathematics
Let v=9j and let u be a vector with length 5 that starts at the origin and rotates in the xy - plane. Find the maximum value of the length of the vector |u x v|. Select the correct answer.
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Mathematics