Jack completed 9 of a puzzle in 3 hour. If Jack's rate stayed the same, how much of his test was finished in one hour?

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Factor the monomial completely 42a3b3

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10