Answer: The answer is 
Step-by-step explanation: Given that the penguin nursery is open two times in a day, where the number of hours open at the noon and afternoon are respectively given by

Therefore, the total number of hours 't' penguin nursery open every day is given by

Thus, the answer is

thats a pretty cool last question!
Answer:
Step-by-step explanation:
How does M what?
The value of x will be 6
<u><em>Explanation</em></u>
According to the below diagram, UW is the angle bisector of ∠TUV
<u>That means,</u> 
Given that,
and 
So, the equation will be......

So, the value of x will be 6.
Length of bc is 8
hope this helps :))