Answer:
Undefined
Step-by-step explanation:
![\boxed{slope = \frac{y1 - y2}{x1 - x2} }](https://tex.z-dn.net/?f=%5Cboxed%7Bslope%20%3D%20%20%5Cfrac%7By1%20-%20y2%7D%7Bx1%20-%20x2%7D%20%7D)
☆ (x₁, y₁) is the first coordinate and (x₂, y₂) is the second coordinate.
Slope of the line
![=\frac{ - 4 - ( - 4)}{7 - 5} \\ =\frac{ - 4 + 4}{2} \\ = \frac{0}{2} \\ (undefined)](https://tex.z-dn.net/?f=%20%3D%5Cfrac%7B%20-%204%20%20-%20%28%20-%204%29%7D%7B7%20-%205%7D%20%5C%5C%20%3D%5Cfrac%7B%20-%204%20%2B%204%7D%7B2%7D%20%20%5C%5C%20%20%3D%20%5Cfrac%7B0%7D%7B2%7D%20%20%5C%5C%20%28undefined%29)
Thus, the slope of the line is undefined.
(Since 2 cannot be divided by zero)
Notice that the two coordinates have the same y- coordinate of -4. This means that the line is a vertical line. Vertical lines have undefined slopes.
18 6/7<em /> is the awnser
Answer:
12 dollars
Step-by-step explanation:
100%-15%=85%
68÷85%=80
The original price was 80 dollars.
E i e i oooo sing that while studying and your brain will click and you will have an answer