That looks hard... I can see the attachment tho<span />
Answer:
b=-18
Step-by-step explanation:
If a line that passes through the point
and it has slope
, the equation of the line is:

I'd do 9x4=36 because the 9 is from your money and the 4 is from your books. Now since you want to find out how much 4 books cost you just multiply that by 9
Answer:
16 books fit and theres .8 inches left
Step-by-step explanation:
16x2.2 = 35.2
36 - 35.2 + 0.8
Since is buying both pork and chicken, it would be D since it adds both priced together