Proportional equations are the equations that have the graph which pass through (0,0).
y = -9x is proportional.
y=x is proportional
y=1/2x is proportional
That's it. Only these three equations have (0,0) intercept.
Step-by-step explanation:
wait, I will look my lecture last year
Answer:
Circumference
7 hours
10-3=7
