Answer:

Step-by-step explanation:
- By using trigonometric ratios

Answer:
2 
Step-by-step explanation:
Kim was walking down a rocky path. For 4 minutes, the elevation dropped steadily. All together it dropped 8 feet.
So, the change in elevation per minute for the 4 minutes is given by,

= 2 
(Answer)
You are lazy... do it on your own.
Answer:
7.45
Step-by-step explanation:
20 - 3.05 + (-9.5)
16.95 + (-9.5)
16.95 - 9.5
7.45