Answer:
I wanna say that its K. Sin 2x
If i'm wrong i'm so sorry
Hope i helped you in some way
Answer:
The surface area of the rectangular pyramid is 
Step-by-step explanation:
we know that
The surface area of the rectangular prism is equal to the area of the rectangular base plus the area of the four triangular faces
so
![SA=(8)(5)+2[14.75]+2[\frac{1}{2}(8)(5)]](https://tex.z-dn.net/?f=SA%3D%288%29%285%29%2B2%5B14.75%5D%2B2%5B%5Cfrac%7B1%7D%7B2%7D%288%29%285%29%5D)


Answer: putting arms in front when falling to catch self.
Stretching arm out to protect passenger when breaking suddenly
Step-by-step explanation: