Answer:
c.
Step-by-step explanation:
All of the things are correct with this one.
Answer:
Perimeter: 88m
Step-by-step explanation:
Area of the square plot = (Side) X (Side)
And we are given the area is 484m²,
therefore, (Side) X (Side) = 484m²
or,
(Side)² = 484, taking square root on both the sides,
= 
Side = 22m.
And we know that, perimeter of a square is = 4 X (Side)
Therefore, Perimeter = 4 X 22 = 88m
:-)
Answer:
20 watches were made.
Step-by-step explanation:
385=15n+85
300=15n
20=n
In order to find the average you have to add up all the data values and then find the sum of the data values.

So on average he ran about 82.5 miles.