Round 67,891 to the nearest hundred

Which statement justifies why angle ebc measures 90?

If u good at math hit me up on insta or sum @basic_jaiden or @ and

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.