Answer:
$5.39
Step-by-step explanation:
In order to solve for this equation, we are going to multiply 7.70 by 0.3 to find how much money was taken which was 2.31.
Subtract2.31 from 7.70 to recieve your new price :)

Hope this Helps!
It is a Kite because right now we are learning about that
Answer:
3/2
-4
Step-by-step explanation:
y = mx + c
m = slope = y2 - y1 / x2 - x1
= -4 -2 / 0 - 4
= -6/-4
= 3/2
c = y intercept
y when x = 0
c = -4