Answer:
Y=2x+4
Step-by-step explanation:
Y=Mx+b is the slope intercept formula
subtract 2x so you get -y=-2x-4. Then divide everything by-1 .
She spend $2.00.
12.4 is the answer
=13.6+6.7-4.1-3.8
=20.3-7.9
=12.4
11
