HELP I’ll mark brainiest find the height plz

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)