Well, it really depends on the context they are in. For instance,
![2x^2 + 3x](https://tex.z-dn.net/?f=%202x%5E2%20%2B%203x%20)
is different than
![2xyt + 3xy + 2xyt](https://tex.z-dn.net/?f=%202xyt%20%2B%203xy%20%2B%202xyt%20)
or
![y = 2x + 5](https://tex.z-dn.net/?f=%20y%20%3D%202x%20%2B%205%20)
or
![2x^3 + 2x^2 + 4x + 4](https://tex.z-dn.net/?f=%202x%5E3%20%2B%202x%5E2%20%2B%204x%20%2B%204%20)
They all are interpret differently. For instance, one is a line, another is a square and one is a cube.
Plug in any value for x and then you will get y. Use the coordinates to plot.
Example
x= 2
5/2(2)-6
5-6
-1
(2,-1)
Then continue to do the same.
Answer:
C=0
Step-by-step explanation:
Are you sure about your solves??
I think correct answer is 6,
I don't know but the standard way is in the photo:
We can convert 20km to 20,000m. Then, we can subtract 800m (walking distance) from 20,000m which would result in 19,200m. Then we can put 19,200m and 20,000m as a fraction (19200/20000). Before we can multiply it by 100 to make it in the percentage form, we can get rid of 2 zeroes for both number making it 192/200 and then further simplifying it to 24/25 by dividing both numbers by 8. Finally to get the percentage we can multiply 24 and 100 (2400) and then divide the result (2400) by 25. The final answer is 2400/25=96 meaning he cycled 96% of the journey and walked 4% of the journey (100-96=4).