Answer:
substitution
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
They are proportional by a scale of 1.5
Y=0.5x-0.5
( u find the slope using rise/run then after finding the slope u use the equation and a point on the graph to find the y-intercept
Answer:

Step-by-step explanation:
srry if its wrong but I think it's right :)
btw for the first one
p=19.53