Answer:
Step-by-step explanation:
Abc
Answer:67
Step-by-step explanation: cause tghe number is not a number
Answer:

Step-by-step explanation:

{-84:(-4)=21 and -1764:(-84)=21 and -37044:(-1764)=21}
geometric sequence formula: 


Answer:
C.17 years old
Step-by-step explanation:
consecutive means that they come after each other
17+16+15=48