Answer:
<h3> 20 feet </h3>
Step-by-step explanation:
x - the hight of another sail

Answer: 
Step-by-step explanation:
Given
A delivery service charge
for each delivery
and an additional
for each mile traveled
Suppose, x miles are covered
The charge is given by

Therefore, driver traveled 6 miles for delivery
We can say that ‘0’ is also a rational number since it can represent it in many forms of 0/1, 0/2, 0/3, etc. So yea it is hope this helped!