Find the Temperature After a Rise of 10 ${ } ^ { \circ } \mathrm { C }$

Multiple Choice

Find the temperature after a rise of 10 ${ } ^ { \circ } \mathrm { C }$ from -20 ${ } ^ { \circ } \mathrm { C }$ .

A) -10 ${ } ^ { \circ } \mathrm { C }$
B) -29 ${ } ^ { \circ } \mathrm { C }$
C) -31 ${ } ^ { \circ } \mathrm { C }$
D) 30 ${ } ^ { \circ } \mathrm { C }$
E) -30 ${ } ^ { \circ } \mathrm { C }$