The distance in feet karina swims in a race is represented by 6d-6, where d is the distance for each lap what is an expression equivalent to 6d-6

Newtons second law says force(f) is equal to mass (m) times avceration (a) a scientist wamts to calculate the force of an objecy where the acceleration of gravity (g) is 9.8m/ s2 use the function to calculate the force of an object with a mass73( m) of 0.29 kilograms