Answer:

Step-by-step explanation:
A line is a one-dimensional figure that has no thickness and extends infinitely in both directions.
A line segment is a line that has two end-points and a ray is a line that has one end-point.
Given equation is 
To find : a line that lies entirely in the set defined by the given equation.
Solution:
Take 
Check:

Therefore,
satisfy the given equation.
Answer:
thy should sell it for $235.2 because in the shop they sell everything for 60% the original price for which they bought it
Step-by-step explanation:
Answer:
One hour and thirty minutes.
Explanation:
3km = 1 hour
1.5km = 30 min (half of distance, half of time)
4.5km = 1 hour and 30 min