Write the equation of: 1) the line with the slope 3/5 and passing through the origin 2) the line with y-intercept -6 and parellel to line 5x+4y=1 3) the line through (-1,4) and (5,8) 4) the line through (0,5) and (6,1) 5) the vertical line through (5,-7) 6) the line through (-2,4) parellel to the line through (1,1) and (5,7) 7) the perpendicular bisector of the segment joining (0,3) and (-4,5)