Answer:
A. 
B. 
Step-by-step explanation:
A. 
Where,


Plug in the values to get a polynomial that represents the area of the tool




B. To find area, when x = 4.5 in, plug in the value of x into the equation for the area of the tool.





3.) A *the first one*
4.) C *the last one*
Answer:
I believe the value would be 9.
63 = 9k
divide by 9 on each side to get k by itself
k = 7
Either B or C. They look exactly the same but I can’t tell because the photo is blurry
y intercept is 75 and x intercept is 75/2.5=30