Answer:

Step-by-step explanation:
Given the expression 
According to the law of logarithm;
loga + log b = log(ab) and log a - log b = log(a/b)
The given expression becomes;

I can't download the picture, you will have to type it out so I can explain it
Answer:
150 ft. x 400 ft. = 60,000
Step-by-step explanation:
Answer:
Step-by-step explanation:
You can use Pythagoras Theorem,

∴
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