Solve the equation by making an appropriate substitution.2x - 5 - 63 = 0

A. {7}
B.
C.
D. {49}

Answer: D

Mathematics

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Find an equivalent equation in rectangular coordinates.r(1 - 2 cos ?) = 1

A. x2 + y2 = 2 + x
B.  = 1 + 2x
C.  = 2 + x
D. x2 + y2 = 1 + 2x

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Solve the problem.Express the perimeter of the square as a single rational expression.

A.
B.
C.
D.

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Find the quotient.Divide -52.48 by -8.2

A. 6.4 B. 0.64 C. -6.4 D. -0.64

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Mathematics

Graph the equations of the system. Then solve the system to find the points of intersection. 

What will be an ideal response?

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Mathematics