Which expression is equivalent to: 9x²- 12x + 18
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3x

A) 3x - 4 + 6 / x
B) 3x²- 4 + 6x
C) 3x² - 4 / 3x
D) 3x - 4 + x / 6

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

How do you find the circumfrance of a circle?

The figure below shows rectangle abcd and the triangle eca on a coordinate plane. which of the following expressions represents the perimeter of triangle of triangle eca in units