Answer:
6 3/8
Step-by-step explanation:
Convert the fractions so that the denominators match.
, then 

, then 
Add up the fractions.

It give you two point, (2,4)(-1, -1).
f(x)=mx+b
2m+b=4
-m+b=-1
2m+b+m-b=5
3m=5
m=5/3
b=2/3
f(x)=5/3x+2/3
Answer:
4x-12
Step-by-step explanation:
Answer:
36 3/4
Step-by-step explanation:
12 1/4 + 12 1/4 + 12 1/4 = 36 3/4 :)
Im guessing he answered 30 correct, let me know if im correct