Hi sorry I need to answer a question to ask something but I’m not smart enough to answer this (I’m in year 9)
The First one
As the x-values go to positive infinity, the function’s values go to negative infinity.
The upper
Fence is the top of the box. 40
The lower fence is the bottom of the box. 30
Upper fence. 70
Lower fence. 50
We have two functions, one which converts rubles to USD and one which converts USD to euros. If we want to convert from rubles to euros, we could just convert it to USD and then euroes.
2000₽ ⇒ USD

$68 USD ⇒ €

Extra: If you wanted, you could create a function to convert rubles into euroes.
Just substitute that 0.034r for d in e(d) = 0.76d and...
It depends. If its the ratio of Masha to Liz, it is 10:9. If it is Liz to Masha, its 9:10. If it is Masha to the total, it is 10:19. If it is Liz to the total, it is 9:19. Hope this helps!