Solve the question ​

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?