Answer:
x= -14
Step-by-step explanation:
Please see attached picture for full solution.
Answer:
29 feet above sea level
Step-by-step explanation:
One floor is 9 feet high, so the top of the first floor will be 9 feet above the ground.
The ground is also 20 feet above sea level, so add 9 to this to find how many feet above sea level the top of the first floor is:
20 + 9
= 29 feet above sea level
Answer:
The question is invalid. Please rewrite the question.
Answer:
1
Step-by-step explanation: