Aregular decagon is mapped onto itself every time it is rotated degrees. plz . the answers to chose from are a) 30 b) 36 c) 45 d) 60

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Is it greater than or less than7*3_9*2

Which of the following represents the factorization of the trinomial below? x^2+7x-30