Answer:
254.34
Step-by-step explanation:
pie (3.14...) Radius(9) 9^2=81
3.14 times 81 is 254.34
Answer: i'm pretty sure it's 38,500
Step-by-step explanation:
Subtract 6 from both sides ( subtract 6 form 6 to get 0 then subtract 6 form -4 to get 2) that’s the first step
Answer:

And after operate we got:

So then the gragbe per capita on this was would be 
Step-by-step explanation:
For this case we know the following info:
Total waste generated for a certain country in 2005 : 
Total population for this country in 2005 
And we want to estimate the garbage per capita or per person for 2005, and we can use the following formula:

And after operate we got:

So then the gragbe per capita on this was would be 
Altitude is a perpendicular
from
a vertex ( the point where the two rays meet to form an angle)
to
a line containing the base ( could be the base or an extension of it)