The recursive formula would be:

This is because the first term, a₁, is 10. A recursive rule is dependent upon the term before it (a(n-1)) and the common ratio. The common ratio, or the number that each term is multiplied by, is -8.
Answer:
need more information
Step-by-step explanation:
Answer:
(1, -3)
Step-by-step explanation:
You can see where the two lines intersect - that's the solution.
Answer:
mode which is c
Step-by-step explanation:
Answer:
80 minutes
Step-by-step explanation:
1 hour=60 minutes
2 hours=120 minutes
-------------------------------
15/120=10/x
cross product
120*10=15*x
1200=15x
x=1200/15
x=80