Answer:

Step-by-step explanation:
You need to add the amount Shawna & Ryan ate together, then subtract it from 1 to find the amount of pizza that was left for Dominic to eat.
+
= ?
Make all the denominators the same to add fractions.
is 
is 
+
= 
1 -
= 
Answer:
y = -
x-
Step-by-step explanation:
Yes it is because of the chimney