Answer:
N/A
1 + 1 = 2
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given that,
The frequency of x-rays, 
We need to find the wavelength for x-rays. The relation between wavelength, frequency and speed of light is given by :

So, the wavelength for x-rays is
.
Answer: 7
Step-by-step explanation: The only pattern in this sequence that I can see is addition by 4. Therefore, the 3rd term is 15, the 2nd is 11, the 1st is 7.
Please consider Brainliest.
Answer:
81
Step-by-step explanation:
hope it helps
The answer is C) collateral