A swimming pool is open for 10 ½ hours per day and the lifeguards do shifts of 1 ¾ hours. How many shifts are there per day? Make sure to show the equation you used to solve this problem.

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