8 tenth because 4 over 5 is also 8 over 10
Y-3.6=x^2
y=x^2+3.6
x=1, y=4.6
x=3,y=9.6
x=5,y=28.6
x=6,y=39.6
x=9,y=84.6
Just a little tip f(x) means y. Even if it says a(x) it still means y. Hope this made it a slight bit easier sorry I couldn't help more than this.
The answer to you promovem would be 2,291.9 miles away
Answer:

Step-by-step explanation:
9 - 4 = 5
= 