Iwanted to know if these were right, if not could someone me figure out which ones are right? : )

Solve the x in the equation x^2+14x+17=-96

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.

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1