Solve the system of equations. 3x+2y+z=16 4x−y=−5 y+z=11

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?