Solve using the substitution method. Use a graphing calculator to check your answer. x + 3y = 0x - 3y = 12

A. (6, 2)
B. (6, -2)
C. (-2, 6)
D. (3, -1)


Answer: B

Mathematics

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Provide an appropriate response. Multiply and simplify, putting answer in complex form: 3i(2 - 4i)

A. 6 - 12i B. 12 + 6i C. -12 + 6i D. 6 + 12i

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Solve the problem.The function P(d) = 1 +  gives the pressure, in atmospheres (atm), at a depth d feet in the sea. Find the pressure at 43 feet.

A.  atm
B.  atm
C.  atm
D.  atm

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What does the abbreviation stand for?cwt.

A. cost by weight B. count weight C. count D. per hundred weight

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Provide an appropriate response.The square root of the  is the standard deviation.

Fill in the blank(s) with the appropriate word(s).

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