(3.90 - 3.40) / (3.90) = 0.50 / 3.90 = 0.128 x 100 = 12.8%
There's many different types of shapes and figures. This is called <em>rhombus</em>.
A rhombus is a type of quadrilateral, and always has 4 sides and 4 verticals.
Answer:
Following are the solution to these question:
Step-by-step explanation:
Please find the complete question in the attached file.![\text{Stem and leaf plot}\\\\\text{Stem-and-Leaf Display:}\ \ x_1\\\\\text{Stem-and-leaf of} \ \ x_1 \ N = 25\\\\](https://tex.z-dn.net/?f=%5Ctext%7BStem%20and%20leaf%20plot%7D%5C%5C%5C%5C%5Ctext%7BStem-and-Leaf%20Display%3A%7D%5C%20%5C%20x_1%5C%5C%5C%5C%5Ctext%7BStem-and-leaf%20of%7D%20%5C%20%5C%20%20x_1%20%5C%20N%20%3D%2025%5C%5C%5C%5C)
![1 6 2\\3 7 4 8\\6 8 4 6 7\\10 9 1 4 6 8\\(7) 10 0 1 4 4 5 6 9\\8 11 0 2\\6 12 0 0 0\\3 13 3\\2 14 0\\1 15 0\\](https://tex.z-dn.net/?f=1%206%202%5C%5C3%207%204%208%5C%5C6%208%204%206%207%5C%5C10%209%201%204%206%208%5C%5C%287%29%2010%200%201%204%204%205%206%209%5C%5C8%2011%200%202%5C%5C6%2012%200%200%200%5C%5C3%2013%203%5C%5C2%2014%200%5C%5C1%2015%200%5C%5C)
![\text{Stem-and-Leaf Display:}\ \ x_2\\\\\text{Stem-and-leaf of} \ \ x_2 \ N = 25\\\\](https://tex.z-dn.net/?f=%5Ctext%7BStem-and-Leaf%20Display%3A%7D%5C%20%5C%20x_2%5C%5C%5C%5C%5Ctext%7BStem-and-leaf%20of%7D%20%5C%20%5C%20%20x_2%20%5C%20N%20%3D%2025%5C%5C%5C%5C)
![1 7 3\\2 7 7\\4 8 1 3\\6 8 5 9\\7 9 4\\8 9 7\\10 10 1 2\\11 10 7\\(3) 11 0 3 4\\11 11 7 8 9\\8 12 0 1 1 1 2\\3 12 5 9 9\\](https://tex.z-dn.net/?f=1%207%203%5C%5C2%207%207%5C%5C4%208%201%203%5C%5C6%208%205%209%5C%5C7%209%204%5C%5C8%209%207%5C%5C10%2010%201%202%5C%5C11%2010%207%5C%5C%283%29%2011%200%203%204%5C%5C11%2011%207%208%209%5C%5C8%2012%200%201%201%201%202%5C%5C3%2012%205%209%209%5C%5C)
![\text{Stem-and-leaf of} \ \ x_3 \ N = 25](https://tex.z-dn.net/?f=%5Ctext%7BStem-and-leaf%20of%7D%20%5C%20%5C%20x_3%20%5C%20N%20%3D%2025)
![1 8 01 85 9 0 1 3 312 9 5 5 5 6 7 8 9(4) 10 0 0 2 39 10 5 6 7 8 94 11 3 42 11 5 6](https://tex.z-dn.net/?f=1%208%2001%2085%209%200%201%203%20312%209%205%205%205%206%207%208%209%284%29%2010%200%200%202%2039%2010%205%206%207%208%2094%2011%203%2042%2011%205%206)
![\text{Stem-and-leaf of} \ \ x_4 \ N = 25](https://tex.z-dn.net/?f=%5Ctext%7BStem-and-leaf%20of%7D%20%5C%20%5C%20x_4%20%5C%20N%20%3D%2025)
![1 7 42 7 85 8 0 3 410 8 5 7 8 8 911 9 0(3) 9 5 5 711 10 0 2 2 3 3 45 10 5 8 8 91 11 0](https://tex.z-dn.net/?f=1%207%2042%207%2085%208%200%203%20410%208%205%207%208%208%20911%209%200%283%29%209%205%205%20711%2010%200%202%202%203%203%2045%2010%205%208%208%2091%2011%200)
Add 6 to both sides
Solution: k = -30