Bruh i dead had the same question lol. Sadly no one has answered yet.
20 has been added to the total of scores, so the new mean for the 20 scores will be 20/20 = 1 higher than it was.
The new population mean is 15+1 = 16.
Answer: The distance around the lot is given by

Step-by-step explanation:
Since we have given that
Length of rectangular lot is given by

Width of rectangular lot is given by

We need to find the distance around the lot.
As we know the formula for "Perimeter of rectangle":

Hence, the distance around the lot is given by

2*5*30=300 pictures
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1. 
2. 
3. 
4. (1st option) Yes; the number is written in scientific notation.