Yes cause the tree is the only and best way to do it
#6
Yes
Direct variation because Time increases cupcakes increases and vice versa
#B
Constant of proportionality represents the amount of time required per cupcakes
#7
Yes we can find it
We have to check the x and y values of the ordered pairs (x,y)
If y is decreasing with respect to increase in x then it's inverse variation
Answer:
x=0 ,y=3
if you have any questions about the way I solved it,don't hesitate to ask