16 out of 80 equals what percentage

How many lines can be drawn through points j and k? 0 1 2 3

Aline has a slope of . which ordered pairs could be points on a parallel line? check all that apply. (-8, 8) and (2, 2) (-5, -1) and (0, 2) (-3, 6) and (6, -9) (-2, 1) and (3,-2) (0, 2) and (5,5)

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !