## Algebra 1

$-13^o$F
$F=\frac{9}{5}C+32\longrightarrow$ substitute the value for C $=\frac{9}{5}(-25)+32\longrightarrow$multiply $=-\frac{225}{5}+32\longrightarrow$ simplify $=-45+32\longrightarrow$add $=-13$