PLEASE HELP!!!!!!!!!!!!!!


1)Find the common difference for the given sequence.


1.05, 1.1, 1.15, 1.2, ...


A 0.005

B 0.05

C 0.5


2)Which of the following is an arithmetic sequence?


A 0, 2, 4, 6, ...

B 1, 2, 4, 8, ...

C 1, 4, 8, 13, ...


3)Find the common difference for the sequence shown.


56, 49, 42, 35, ...


A -12

B -7

C 7