HELP need more help giving brainless and 15 points

Find the roots of the equation below. x^2 - 6 + 9 = 0

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

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.