Both missing angles are 45°
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:
b = (c - 3a)/4
Step-by-step explanation:
3a + 4b = c
4b = c - 3a
b = (c - 3a)/4
I think it is the first one could be wrong tho
Answer:
250 ml= 1 pancake
1000 ml=4 pancakes
Step-by-step explanation:
