Answer:
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Step-by-step explanation:



?
Now, Using Pythagoras theorem

plug the values
⇒
Evaluate the power
⇒
Swap the sides of the equation
⇒
Move constant to right hand side and change it's sign
⇒
Calculate the difference
⇒
Squaring on both sides
⇒
Hope I helped!
Best regards!
Answer:
no both are "=" hard
Step-by-step explanation:
Answer: its 18.27
Step-by-step explanation:
Because if you ask one student from each class you are getting a more accurate representation of the classes. If you were to ask one group you'd only get their opinion