If you showed me the diagram I could give you an answer.
Answer:
202m
Step-by-step explanation:
Please see attached picture for full solution.
Let x meters be the height of the building.
Answer:
x = -8
Step-by-step explanation:
-23 + 7 = -16
-16 ÷ 2 = -8
2 × -8 =-16 - 7 = -23
Answer:
Step-by-step explanation:
There is no precipitate. NaBr is very soluble.
It is not a double replacement. There is only 1 product. Double replacements have two.
It is not a decomposition. If this equation was written backwards, the reaction would be a decomposition.
It must be a synthesis.