Option C.
No matter how much n decreases, -1 will always be bigger than 9n.
Answer:21 I used math. way. it is a great app
you do 5-12= -7x-3=21 . in the calculator you don't need the (-s)
Answer: 1/2= 5/10
5/10 - 3/10 = 2/10 or 1/5
so planet X is 1/5 of a light-year closer
Step-by-step explanation:
Answer:
Up thats what it means
Step-by-step explanation: