Answer:
This function represents a direct variation because it passes through the origin and has a constant rate
Answer:
Real word Problem:- Jean is working in a pizza shop. She has 60 kg of flour. She has used one-fifth of it for making pizzas. How much flour she used for making pizzas?
Solution:- Quantity of flour she has= 60 kg
The quantity she used in making pizzas=

hence, she used 12 kg of flour for making pizzas.
Here the multiplication of a fraction and a whole number
and its answer is between 10 and 15, since 10<12<15.
B > -21 is i think you answer.
83x+P=83x+Q
subtract 83x from each side
P=Q
if P does not Q there are no solutions
the lines would be parallel and never intersect if Q does not equal P