Perform the indicated operations. Write the answer in the form a + bj.8j + (-2 - j)

A. -2 + 7j
B. 2 - 9j
C. -2 + 9j
D. 2 - 7j


Answer: A

Mathematics

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Solve the problem.Brand A soup contains 873 milligrams of sodium. Find a linear function f that computes the number of milligrams of sodium in x cans of Brand A soup.

A. f(x) = 873 B. f(x) = 873x C. f(x) = x - 873 D. f(x) = 873 + x

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Solve the problem.A straight trail with a uniform inclination of 17° leads from a lodge at an elevation of 1000 feet to a mountain lake at an elevation of 6300 feet. What is the length of the trail (to the nearest foot)?

A. 21,548 feet B. 6588 feet C. 5542 feet D. 18,128 feet

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Perform the division. Write the answer with positive exponents.

A. 7x3 - 3x2 + 5 + 
B. 7x3 + 5x2 + 5
C. 7x3 - 3x2 + 5
D. -7x3 + 3x2 - 5 - 

Mathematics