Chapter 4 - Writing Linear Functions - 4.6 - Arithmetic Sequences - Monitoring Progress - Page 210: 1

$36,48,60$

The given arithmetic sequence is $-12,0,12,24,...$ Each term is $12$ less than the previous term. So, the common difference is $12$. Next three terms are $\Rightarrow 24+12=36$ $\Rightarrow 36+12=48$ $\Rightarrow 48+12=60$ Hence, the next three terms are $36,48,60$.