**Answer:**

**Step-by-step explanation: He goes up 3 floors and he is currently on the fith one so he is now on the 8th floor**

**8+2 because he still has to go down to floors to get to the underground floor**

**He has to go down 10 floors **

**Answer:**

**Step-by-step explanation:**

Use photo math

The measure of the second angle is 48 degrees. Complementary angles are equal to 90 degrees when added together, so I subtracted 42 from 90 to find the measure of the second angle.