Posted by Miss Sweet:) on Tuesday, November 22, 2011 at 8:53pm.
6,11,16,21,....Algebraic expression______
12th term
30th term

Math  Miss Sweet:), Tuesday, November 22, 2011 at 9:51pm
6,11,16,21,....Algebraic expression______
12th term
30th term
Plz help me plzzz 
Math  Steve, Wednesday, November 23, 2011 at 12:02am
sequence is a, a+d, a+2d, ...
nth term is Tn = a + (n1)d
So, find d. It's obviously 5. First term a=6
Thus, T12 = 6 + 11*5 = 61
T30 = 6 + 29*5 = 151