Answer:
20
Step-by-step explanation:
Use the equation 
Where b2 is a, b1 is b and h is h
8b + 8 - 4b - 3
Combine like terms:-
(8-4)b + 8 - 3
4b + 8 - 3
4b + 5
Don’t mind my math homework- But ya the answer would be -1/3. You’re welcome I got your back :)
Answer:
exact Form:(0,),(1,3)
Equation Form: ( 0, )
x=1 y=3
Step-by-step explanation: