Answer:
Step-by-step explanation:
7)Fraction of apple pie after eaten by Jeremy = 1 - (1/3) = 2/3
Fraction of pie eaten by Sara

8)

Fraction left = 
Answer:
2a-3b
Step-by-step explanation:
Answer: y-2=1/4(x-1)
Step-by-step explanation:
The formula for point-slope is y-y₁=m(x-x₁). Since we are given the slope m, we can fill that in. We are also given the point (x₁,y₁). We can also fill that in.
y-2=1/4(x-1)
Answer:
6%
Step-by-step explanation:
I = Prt, so r = I / (Pt)
t = 9 months / 12 months = 0.75
r = $18 / ($400 * 0.75) = 0.06, or 6%