Of course not.
If the line rises higher as it goes from left to right,
then its slope ( 'm' ) is positive.
If it sinks lower as it goes from left to right,
then its slope ( 'm' ) is negative.
Answer:
102.8/4=25.7
I got it because I used a calculator
Step-by-step explanation:
Answer:
The top right graph.
Step-by-step explanation:
Answer:
X Company charges
more than Company Y
Step-by-step explanation:
Given:
Cost of X company = 
Cost of Y Company =
for n minutes
Cost of X company for n minutes = 
Cost of Y Company for n minutes =
Difference for n minutes we get by Subtracting Cost of Y Company for n minutes by Cost of X company for n minutes
Difference for n minutes =
=
X Company charges
more than Company Y
You should be able to set up a proportion between the sides something like (18+x)/x=(56+21)/56