For each of the following, find the base $b$ if the graph of $y=b^x$ contains the given point.

$(-3,0.037037037037037)$ $b =$

$(-3,0.015625)$ $b =$

$(4,81)$ $b =$

$(-3,0.015625)$ $b =$

$(-1,0.333333333333333)$ $b =$

$(-1,0.25)$ $b =$

$(3,27)$ $b =$

$(-3,0.037037037037037)$ $b =$

$(-2,0.111111111111111)$ $b =$

$(3,125)$ $b =$