Answer:
Direct Variation
Step-by-step explanation:
Given: A car travels at a distance of 
km. The formula that relates to 
is 
To find: kind of variation
Solution:
The formula that relates to is
Here, 
is a constant of proportionality.
Constant of proportionality is also called as constant of variation.
varies directly as .
Therefore, this is a direct variation.
Answer:
no mode
Step-by-step explanation:
no number appears more than once
therefore there is no mode
49.617 ( alternative form )
Answer:
triangle: 5x-8
square: 4x+8
Step-by-step explanation:
triangle: 2x + 2x + x -8
combine like terms
= 5x-8
square: x + 2 + x + 2 + x + 2 + x +2
combine like terms
= 4x + 8
