With #2 pls and show me how with work

For the following sequence determine the common difference (if it is an arithmetic sequence) or the common ratio (if it is a geometric sequence).

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

An ant travels at a constant rate of 30cm every 2 minutes. at what speed does the ant travel per minute