What is the measure in degrees of angle d

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)

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft