Answer:
Plot
and 
Step-by-step explanation:
Given:

Solving for the positive part of the equation:

Solving for the negative part of the equation:

Answer:
degrees like in angles. from 0 to 180
nwcggov
Answer:
$170 Feet
Step-by-step explanation:
It is very long process
we are given
You can buy a 6 hour phone card for $5
so, total hours = 6 hours
now, we can change it into min
6 hours = 6*60 min

Let's assume
x is the number of actual minutes talked,
y is the called number of minutes left on the card
and we are given
each minute you talk actually costs you 1.5 minutes of time
so, we get equation as

Graph:
An inequality for the poroblem is 2000 - 637 and to turn that into algebraic expression it would be 2000 - 637 = 1363