Solve the system by elimination. x + 3y = 31-6x + 2y = -6

A. (-4, 10)
B. No solution
C. (4, 9)
D. (3, 10)


Answer: C

Mathematics

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A.
B.
C.
D.

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One of the values r (radius), d (diameter), V (volume), or S(surface area) is given for a particular sphere. Find the indicated value. Leave ? in your answer.S = 64? km2; V = ?

A. 64 cm2
B. ? cm2
C. ? cm3
D. 8? cm2

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Solve the problem.Find the values of a, b and c that make  a gradient field.

What will be an ideal response?

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The following lists the number of organ transplants given in 2006. Use this data to construct a pie chart.

Mathematics