Question

1. when i woke up this morning the temperature was 7 degrees below zero. the temperature rose 15 degrees. what temperature is it now?

Explanation:

Step1: Represent initial temperature

The initial temperature was 7 degrees below zero, which can be represented as - 7 degrees.

Step2: Calculate current temperature

The temperature rose 15 degrees. So we add 15 to - 7, that is -7 + 15.
-7+15 = 8

Answer:

8 degrees