Answer:
c
Step-by-step explanation:
reason for is because when you add all the like terms you end up with c
Answer:
Step-by-step explanation:

3(x+5)=39
3 * x + 3 * 5 = 39
3x + 15 = 39
3x = 39 - 15
3x= 24
x = 8
Answer:
A) 180º
Step-by-step explanation:
i wont be symmetric at 90º or 270º or 120º or 240º. and it has rotational symmetry
Answer:
yes
Step-by-step explanation: