For the first equation, I put it in y=mx+b form, so y=-3x-9
the second one is x=4
hope i helped
9(3+5) is equivalent because factoring a 9 out of both 27 and 45 leaves us with 9(3+5).
Answer:

Step-by-step explanation:
x=140°
m || n
Answer:
2, 4, 2, 8, 16
Step-by-step explanation: