D) 36x^2-81
both 36x^2 and -81 are perfect squares
difference means subtraction
<h2><em>9.07 > 9.008 is true </em></h2>
The first three statements are correct while the last statement is incorrect.
Answer:
(<em>x</em>, <em>y</em>) represent coordinates, <em>m</em> represents slope, and <em>b</em> represents the y-intercept
<span>The correct answer is 1.35km/min=1350 meters/min</span>
