Answer:
y = (-2/3)x + 31/3
Step-by-step explanation:
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
= 
= 
******************************************
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
= 
= 
********************************************
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
= 
= 
********************************************
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
********************************************
Answer: 
<u>Step-by-step explanation:</u>

= 
= 
= 
= 
Answer:
7
Step-by-step explanation:
-4 +11 is saying that assuming if a person owe 4 dollars and his friend gives him 11 dollars that he will pay back the four dollars and still have 7 dollars left
A/b=c
times both sides by b
A=bc
divide both sides by c
A/c=b
b=A/c