Solve x2 – 12x + 36 = 90 for x.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)