NotSoSmart

well i had did.

(6,-1) , (3,-1)

[-1 -  -1]

_______    =   0

[6 - 3]          _____

                       3

then that's it... i think

is it A??? cause maybe i was thinking 0 as well..

Well as we know that pi is used to find area by multiplying the radius squared times pi also that pi is used to find area and circumference of a circle. Pi r squared..

Thank you so so much!!! 

Thanks!

Thank so much!!!! That's so awesome 

ok thanks!!

so number 4 would be A?? or am i reading it backwards and it should be C??

Thanks!!

Thank you!!