Answer:
a. Linear
A linear line is straight.
Answer:

Step-by-step explanation:
Answer:
The perimeter is 
Step-by-step explanation:
The perimeter of a triangle is the distance around its edges.
The given triangle has side lengths 5x + 3, 5x – 5, and 3x – 2.
The perimeter is : 
Group similar terms to get:

Combine the similar terms to get: 
Hence the perimeter in terms of x is 