Answer:
sorry but i need some points right now so just ignore this
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
The circumference of a circle is 
, so
. We can use this because the area of a circle is
. Thus,
.
Answer:
-70 is the correct answer
Step-by-step explanation:
To add fractions, find the LCD and then combine
Answer:
sorry I forgot try googling it