Answer:
lo que opinaria sería modo serio pero en realidad no pero bueno lo que creo que sería bien sería pieseses pero eso tiene cosa que ver con la metoforsosis o como se llame
From the second:
2x-y=4
x=(4+y)/2 and applying this to first:
4+y+3y=12
4y+4=12
4y=8
y=2 and since x=(4+y)/2, x=3 so
x+y=2+3=5
I think the 3rd one idk wait for someone else to answer go compare
Answer:
The third choice: (x² - 1)³
Step-by-step explanation:
That is the only expression that is a binomial. Binomial means "two numbers". For this expression, x² is one number, and -1 is the other. Choice 1 is a monomial (one number) and choices 2 and 4 are trinomials (three numbers)