(a)
Temp. in fairbanks is -29 if the temp. risen by 17 then temp. is:
[tex]\begin{gathered} \text{Present temp. =initial temp. }+\text{ change in temp.} \\ =-29+17 \\ =-12 \end{gathered}[/tex]In Noon the temp in fairbanks is -12 degree fehrebheit.
(b)
6 A.M temp in Santa =74
6 A.M. temp in toronto =-19
[tex]\begin{gathered} \text{change in temp.= high temp. - low temp.} \\ =74-(-19) \\ =74+19 \\ =93 \end{gathered}[/tex]In 6 A.M. temp 93 fehre