Take a look at the image below.
I don't know if u can see it, but there.
X=12
Y=15
Z=20
Jack has 2, Maria has 9, Paul has 5.
Answer:
-3
Step-by-step explanation:
consider f(x)=y
y=-3x+7
compare with y=mx+c
slope m=-3
Step-by-step explanation:
9 apples for $4.23
Thats the answer