a box of cereal states that there are 81 calories in a 3/4 cup serving. what is the unit rate for calories per cup? how many calories are there in 2 cups of the cereal?

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