A) 36
B) 81
C) 108
D) 12

Multiple Choice

$$\text { If } s \text { varies directly as } t ^ { 2 } \text {, and } s = 144 \text { when } t = 4 \text {, find } s \text { when } t \text { is } 3 \text {. }$$

A) 36
B) 81
C) 108
D) 12