Solve the system of equations by substitution.5x - 2y = -1  x + 4y = 35

A. (2, 8)
B. (2, 9)
C. (3, 8)
D. (3, 9)


Answer: C

Mathematics

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Find the indicated part of the right triangle.The legs are 5.5 and 10.1. Find the larger acute angle. Round your answer to the nearest hundredth.

A. 57.45° B. 61.43° C. 28.57° D. 67.64°

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Solve the equation by factoring.x2 + 4x = 0

A. {0, 4} B. {4} C. {- 4} D. {0, - 4}

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Perform the indicated operation. Write the result in standard form.(-5 + 7i) - 3

A. -2 + 7i B. 8 - 7i C. -8 + 7i D. -2 - 7i

Mathematics

Find the exact value. If the value of the function is not defined, write undefined.sin 

A. 0
B. -1
C. Undefined
D.

Mathematics