Answer: 
Step-by-step explanation:
Given
Propane produced heat energy of 
The volume of the tank is 
The energy produced by this propane tank is

Answer:
2b+8 is the simplify expression
Answer:
A, B, & D
Step-by-step explanation:
Because they all have equal signs
Hi! the numbers are 26 and 28!
26+(26+2) =54
Answer:
20 minutes
Step-by-step explanation:
x is 0 in the graph and y is 20
so 20 is your answer if 0 is x