A paving company is preparing to build a driveway that will be 40 feet long and 12 feet wide. They will start with an 18 inch layer of crushed gravel, how many cubic feet of gravel will they need.

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