In 1985, american swimmer tom jager completed a 50- meter freestyle swim in 22.40 seconds. in 1990, he was able to complete the swim in 21.2 miles long. how many seconds slower was his 1985 swim?

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