Answer:
y= 30 x=15
set up your proportions for example 9/6 to y/20 and 9/6 to x/10 and then cross multiply
Don’t know if the people surveyed were students or not

= undefined
It is undefined as you cannot divide by zero. Hence, there is a hole at x = 0.
Answer:
a=bxh is the answer
Step-by-step explanation:
For the number before x you would look for the rise over the run. in this case you can see that there is an intersection at (-2,0) and (0,1) you find the difference ox each so you have 2/1 or just 2 you can tell that the line is going up so it is positive. for the addition part look at where the y intercept is in this case it is at positive one. this makes your equation y=2x+1