Answer:
Step-by-step explanation:
Given
The linear equation is 
The other linear equation parallel to the given line can be represented by

Here, c can take any value . for example c=1, line becomes

Answer:
Huh
Step-by-step explanation:
Answer:
Step-by-step explanation:
Lets x = the number of songs
The product of the number of songs and $0.99 = 0.99 times x = 0.99x
The product of the number of songs and $0.99 is $7.92:
=
0.99x = 7.92
Hope that helps.
It is proportional because we increase y.