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Answer:
<h2>B) 0</h2>
Step-by-step explanation:
The slope of a horizontal line is equal to 0.
The slope of a vertical line is undefined.
The formula of a slope:

Put the coordinates of the pojnts from the graph (2, 9) and (4, 9):

Answer:

Step-by-step explanation:
Area of a triangle :

For,


The height of the triangle is: 
The answer is A. Hope this helps
<u>Answer:</u>
perimeter = 12 z + 3
<u>Explanation:</u>
The perimeter of a shape is the sum of all the sides.
Therefore, we add all the sides' lengths together:
perimeter = (4z - 2)+(3z + 3)+(z + 5)+(4z- 3)
= 12 z + 3