Step-by-step explanation:
2(3(7)-1)
= 2(21-1)
=2(20)
=40
Answer:
The x-intercept is (-6,0)
To find the perimeter<span> of a polygon, take the sum of the length of each side. The formula for </span>perimeter<span> of a triangle would be the sum of the three side lengths (a +b+c). In the case, where it is a regular polygon, the perimeter would be 3 times the side length. Hope this answers the question.</span>
The answer is C. 75. Hope this helps.
