Answer:
C
Step-by-step explanation:
The answer is C because r =3 I got that because it says triples. a=5 it comes from when it says five files are infected. an=3an-1. an=5(3)n-1. Hope this helps!
Answer:
-54 and 56
Step-by-step explanation:
An integar is only the number which has no decimals or fractions