Answer:
I have made it in above picture hope it helps
Answer:
m = 
Step-by-step explanation:
The slope of (0,3) (4,1) =

Hope this helps :)
I suspect this is what you mean, if let me know
2x(3)^2+x(2)^2
2(3)(9)+3(4)
54+12=66
He pays $53.99 hope that help you