Answer:
B and D
Step-by-step explanation:
Answer: Phase Shift, Period Change
-20c-160
-10(9c-7c+8)-80
-10(2c+8)-80
-20c-80-80
no I can't u just ruined my mood
i think its 1.42857143/6
hope this helps. If it does, can i have brainliest?
