Write the complex number in trigonometric form.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Add.(-6) + 5 + (-7) + 3 + (-6)
A. -11 B. 11 C. 1 D. -1
Mathematics
Fill in the blank with the correct inequality symbol, using the rules for producing equivalent inequalities.If -2x > -8, then x 
4.
A. ? B. < C. ? D. >
Mathematics
Express the sum using summation notation.
+ 
+ 
... + 
A. 
B. 
C. 
D. 
Mathematics
Determine whether f is continuous at c.f(x) = 
;c = 7
A. not continuous B. continuous
Mathematics