How many balls do you have to move, for the triangle to point in a different direction?

a) 5
b) 2
c) 4
d) 3

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.