Answer:
72
Step-by-step explanation:
All angles add up to 360
You can factor -80 as

So, we have

The square root of a product is the product of the square roots:

Since
and
, we have

Answer:
and 5 what ?
Step-by-step explanation:
Answer:

Step-by-step explanation:
each circle is composed of 3 sectors
The first 3 are completely shaded representing 3 + 3 + 3 = 9 sectors
the last one has 1 sector of 3 shaded representing 1 sector
sectors shaded = 9 + 1 = 10
improper fraction is then 
You and 6 of your friends. Total of 7 people.
The answer is D.) 7! ; 5,040