First

Then

To get

So...


To get y = 4.


Next

Finally

Therefore our solutions are y = 4, x = 3
Answer:
I don't know nan molla
Step-by-step explanation:
For example, Kino had a good opportunity to barely have a better life and he could have done anything to save his family but instead of doing that he refused to take the 1500 pesos.gddff
Number of ways the second grade students can sit on the first row is 5! = 5P5
Number of ways 15 first grade students can sit in the remaining 20 seats is 20P15
Therefore, required number of ways is 5P5 * 20P15. (option B)
Expanded form: 9+400+70+5
idk distributive property sorry but I'm pretty sure you can't because in distributive, you need to have a parantheses or you could just factor but I don't think that's the case.
The answer is of course E -340