X + y + z = 27
x = 2z
y = 3 + z
2z + 3 + z + z = 27 ; 4z = 24; z = 6 youngest
x = 12 oldest
y = 9 middle one
Answer:
c
Step-by-step explanation:
Answer:
Step-by-step explanation:
The hypothesis needs to explain the certain conditions that need to exist in order for a specific conclusion to take place. Meaning that if these conditions are not present in the scenario, then the conclusion would be different or simply not exist. Based on this info we can say that the hypothesis is "2 lines are perpendicular" while the conclusion is "The lines form 4 right angles"
