Answer: option 2
Step-by-step explanation:
Step-by-step explanation:
In the second step while opening the bracket, instead of 'a', there should be - 4a.
Step-by-step explanation:

15 - c = 6
15 - 6 = c
9 = c
c = 9
Answer:
6in
it would be 6inches 2sides or 12 an one be 6
Answer:
O y = -3
Step-by-step explanation:
The line is horizontal.
x = -3 and x = 3 are vertical lines, so they are incorrect.
The line passes through (3, -3).
(x , y)
Put y as -3.
y = 3
(-3) = 3
Line y = 3 is incorrect.
(-3) = -3
Line y = -3 is correct.