A Find the missing terms in each arithmetic sequence

1.) 3,12,21,___,____,____,...
2.) 2,___,20,29,____
3.) ___,____,____,8,12,16
4.) 13,___,____,____,-11,-17
5.) 5,12,____,26,_____

B. determine the nth term of the given arithmetic sequence. Show your complete solutions.

1.) what is the 8th term of 0,11,22,33,...?
2.) illustrate the 14th term of -3,-11,-19,-27,-35,...

3.) find the 9th term of the arithmetic sequence with a1=10 and d=½.

C. arithmetic means.

1.) insert 3 arithmetic means between
-4 and 8.

2. insert 2 arithmetic means between ½ and 2.

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