its kind of hard to explain, but lets say you need to find the square root of 64. what ever is multiplied by itself two times will equal something. So you prob. know that 64 divided by 8 equals 8, so 8 squared equals 64 since u multiply it 2 times, so the sqaure root of 64 would be 8
Answer: A. 0.20
Step-by-step explanation:
Let A be the event of employees needed corrective shoes and B be the event that they needed major dental work .
We are given that : 
We know that 
Then, 
Hence, the probability that an employee selected at random will need either corrective shoes or major dental work : 
hence, the correct option is (A).
In order to fit only 2 recorders in each box, the teacher will need a total of 12 boxes. She will need 8 more boxes than the amount she currently has.