Answer
a). $F=248^{\circ}C$
b). $F=53.6^{\circ}C$
c). $F=23^{\circ}C$
Work Step by Step
$F=1.8C+32$
a). C=120, $F=1.8\times 120+32=248^{\circ}C$
b). C=12, $F=1.8\times 12+32=53.6^{\circ}C$
c). C=-5, $F=1.8\times (-5)+32=23^{\circ}C$
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