At 9:00 a.m. the temperature was -4 degrees. It rose 35 degrees during the day. What was the new temperature

4 + 35 = ?

39

To find the new temperature after an increase of 35 degrees from the initial temperature of -4 degrees, you need to add 35 to -4.

To do this, simply perform the addition operation: -4 + 35.

The result of -4 + 35 is 31.

Therefore, the new temperature is 31 degrees.