5/9 of a piece of metal has a mass of 7 kg. What is the mass of the piece of metal?
No wrong answer or else I will report

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

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

For the functions f(x) = -922 – 2x and g(x) = -32? + 6x – 9, find (f - g)(x) and (f - ).