8.64 - 3.15 = $5.49 if this is what you are asking
<u>Given</u>
AC = BC
<u>Substitution</u>
∠1 = ∠3
<u>Base ∠'s of isosceles triangle =</u>
∠1 = ∠3
<u>Vertical angles =</u>
∠2 = ∠3
4 units left : subtract 4 from each x coordinate
3 units down : subtract 3 from each y coordinate
that is how i remember it
Answer:

Step-by-step explanation:
Given


Required
Ratio B(x) to A(x)
This is calculated as:

Express as fraction

Substitute:
and 

Apply law of indices

