Convert complex numbers to trigonometric form and then simplify the expression. Write the answer in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. 
Answer: E
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The following table shows the gross national product G, in trillions of dollars, t years after 2005. Use the regression line for the data to estimate the gross national product in 2013. t 0 1 3 5 G 12.76 13.54 14.29 14.66? ?
A. 15.95 trillion dollars B. 16.55 trillion dollars C. 17.80 trillion dollars D. 18.35 trillion dollars
Find the center and radius of the sphere.x2 + y2 + z2 - 4x - 12y - 8z = 25
A. C(2, 6, 4), a = 9 B. C(-2, -6, -4), a = 81 C. C(2, 6, 4), a = 81 D. C(-2, -6, -4), a = 9
When a company creates value for customers by performing key activities BETTER than its competitors, the firm is said to possess a
A. competitive advantage B. tangible resource C. market share advantage D. positive return for shareholders
Solve the equation.
+ 8 = -1
A. 
B. 
C. 
D. ?