Answer:
765.45 grams
Step-by-step explanation:
Using the hint that they gave us, we would do 27 * 28.35.
That would equate to 765.45 grams.
By definition, the number
is the ratio between the circumference and the diameter:

This implies that

And so your circumference is 
Answer:
41,055
Step-by-step explanation:
If there are 805 students in each of 51 schools, the total number of students is ...
(805 students/school) × (51 schools) = 41,055 students
_____
We have to assume that all of the students in the county go to county schools. Apparently, we are to ignore the students that are dropouts or homeschooled, or that go to schools not in the county.
×=23
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