Give the 100th and the Nth Entries for These Lists $12,22,32,42,52 , \ldots \quad$

Give the 100th and the nth entries for these lists, assuming the patterns continue. A) $12,22,32,42,52 , \ldots \quad$ $\quad$$\quad$ 100th $\underline{\quad\quad}$ $\quad$ nth $\underline{\quad\quad}$
B) $3,5,7,9,11 , \ldots \quad$ $\quad$$\quad$$\quad$$\quad$ 100th $\underline{\quad\quad}$ $\quad$ nth $\underline{\quad\quad}$
C) $2 \frac { 1 } { 2 } , 4,5 \frac { 1 } { 2 } , 7,8 \frac { 1 } { 2 } , 10 , \ldots \quad$ $\quad$ 100th $\underline{\quad\quad}$$\quad$$\quad$ nth $\underline{\quad\quad}$