Answer:
-1
Step-by-step explanation:
The y-intercept is where the line crosses the y-axis.
Answer:



Step-by-step explanation:
Let
x ----> the number of first class seats
y ----> the number of economy class seats
we know that
An aircraft has a maximum of 30 first class seats
so

An aircraft has a maximum of 220 economy seats

A flight will be cancelled if the money taken for the seats is less than $28,800.
so

therefore
Three inequalities that represent the situation are


