Pls help me, im adding integers 40 points Use a number line to find each sum.

2 + 4

6 + (-7)

-6 + 6

Find each sum

-2 + (-7)

9 + (-9)

-12 + (-9)

91 + 28

-51 + (-9)

-8 + 72

Then a question.

Temperature At 7:30 A. M. on January 22,1943, the temperature was -4 °F in Spearfish, South Dakota. At 7:32 A. M. the temperature had risen 49 degrees. What was the temperature at 7:32 A. M.?