I think this is the Answer
8.235*10^-4
Answer:
<1
Step-by-step explanation:
When an observer is at the same level with the submarine, his line of sight above the horizontal upward to the boat would form an angle called the angle of elevation.
Thus, the angle of elevation from the submarine to the boat is marked as <1. <1 is the angle of elevation from the submarine.
Answer:B And E
Step-by-step explanation: Just took the test
Answer: 3x-5=21
Step-by-step explanation:
The difference means to subtract
We can assume "a number" is x
3x-5=21