what is 2xto the power of 2 - 2z to the power of 4 + y to the power of 2 -x to the power of 2 + z to the power of 4. if x = -4 y = 3 and z = 2.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

the answer is d

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