check the picture below.

it cannot be -1, because is a seconds amount after moving.
Answer:
55°
Step-by-step explanation:
y+x=180°
25°+30°+x=180°
25°+30°=y
y=55°
*Exterior Angle Theorem*
<u><em>Sorry for the lack of explanation. It's midnight, so I didn't have much time.</em></u>
Answer:
1. 160ft
2. 218.64ft
3. 84ft
4. 140.67
Step-by-step explanation:
L*W*H / 3
The answer is -25
3-8=-5
-5*5=-25