9x2 + 4 O A.
(3x + 2i)(3x - 2i)
OB.
(3x + 2)(3x - 2)
O C.
(3x + 2)2
OD.
(3x + 2)2

Step-by-step explanation:

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ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system