Solve using Cramer's rule.2x1 + 3x2 = 26-2x1 + 4x2 = 2

A. (7, 4)
B. (-4, 7)
C. (4, 7)
D. (-7, -4)

Answer: A

Mathematics

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Find the perimeter of the specified triangle. Assume the triangles are similar.Find the perimeter of the triangle on the left.

A. 36.4 cm B. 24.4 cm C. 48.4 cm D. 72.4 cm

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Solve the problem.Find an Euler path for the following graph by labeling the edges 1, 2, 3, and so on in the order in which they can be travelled.

A.

B.

C.

D.

E. none of these

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Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers.log19

A. log₁₉20 - 2 log₁₉n - 2 log₁₉m
B. log₁₉20 - log₁₉n - log₁₉m
C. 7 log₁₉20 - 2 log₁₉n - log₁₉7
D. log₁₉20 - 2 log₁₉n - log₁₉m

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Complete the ordered pair so that it is a solution of the given linear equation.y = -8(-2, )

A. (-2, -8) B. (-2, -2) C. (-8,-2) D. (-2, -10)

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