A rational expression is undefined when the denominator is zero.

is undefined when x=0 or x=2.
Set up ratios of height / shadow length:
8/6 = x/100
Cross multiply
6x = 800
Divide both sides by 6
X = 133.33 feet
The tower is 133.3 feet
It should be noted that a polygon that's inscribed in a circle has each vertex on the outer figure.
<h3>What is a polygon?</h3>
It should be noted that a polygon simply means a plane figure that has a finite number of straight line segments.
In this case, a polygon that's inscribed in a circle has each vertex on the outer figure. Also regular polygons can be inscribed in a circle.
Learn more about polygon on:
brainly.com/question/24966296
Yes. The triangles are both right triangles, which means they both have a single right angle.
14+4k=2-2k
4k+2k=2-14
6k=-12
k=-12/6
k=-2
sorry if I'm wrong