Write the expression in the standard form a + bi.
A. -3 + 2i
B. -3 - 2i
C. 2 + 3i
D. 2 - 3i
Answer: D
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Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.A sheet of aluminum is manufactured to have the following shape. The perimeter of the sheet of aluminum is 362 inches. What is the length of the bottom side?
A. Let b = the length of the bottom side. 58 ? b = 362 The length of the bottom side is 348 inches. B. Let b = the length of the bottom side. 55 + 58 + 119 + b = 362 The length of the bottom side is 130 inches. C. Let b = the length of the bottom side. 55 + 58 + 119 + b = 362 The length of the bottom side is 354 inches. D. Let b = the length of the bottom side. 58 + b = 362 The length of the bottom side is 304 inches.
Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Add.
A. 745 B. 730 C. 629 D. 855
Find ?y and f '(x) ?x for the given function.y = f(x) = x2 - x, x = 6, and ?x = 0.05
A. 0.55; 0.25 B. 0.5525; 0.25 C. 0.5525; 0.5525 D. 0.5525; 0.55