Which expressions are equivalent to g + h + (j + k)? Check all that apply. g + (h + j) + k
(g + h) + j k
(g + h) + j + k
g + (h j) + k
g h + j k
g (h + j) k
g + h (j + k)

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.

What is the simplified form of square root of 400 to the 100th power ?

What is perpendicular to y=-1/2x+11