Answer:
question 2
a) rectangle
b) all of the angles are 90 degrees
c) 3+3+4+4=14 units
d) 12 units squared
question 3
if their slopes are the same, they are parallel.
if the lines do not intersect graphically, they are parallel.
if the slopes multiply to -1, they are perpendicular.
if the degree made by the intersection is 90 degrees, the lines are perpendicular.