A is the correct answer I just did that one too twins!
I think it's A. One way you can identify if they are parallel is if both of the slopes are the same (also both have to have the same signs).
Answer:
c
Step-by-step explanation:


add -x to both sides

multiply both sides by -1/2


the equations don't have the same slope so they aren't parallel
The solpes product doesn't equal -1 so they aren't perpendicular
Answer:
a) 1/36in.
b) 1/54in
Step-by-step explanation:
a) convert feet to inches:
L = 18ft = 216in
if length in image is 6in then 216in/6in. 36in is Scale.
width of original room = 108in.
check: 216*1/36 = 6
b) L = 18ft = 216in
216in/4in = 54in.
check: 216*1/54 = 4
Answer:
300
Step-by-step explanation:
I think its 300 but if I'm wrong then XD I Don't know