Answer:
-4 to -1.5
Step-by-step explanation:
When the graph start to slope downwards or go down its decreasing. So when the hump starts to go down at (-4,0) it then starts to go up again after (-1.5,0). Hope this helps:)
7 hours
Answer: 100/400
<u>Step-by-step explanation:</u>
x=50°
52°+78°+x°=180°(by angle sum property)
130°+x°=180°
x°=180°-130°
x°=50°
