What are the greatest common factors of 21, 2, and 14

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

What are the domain and range of f(x)= -log5(x+2)

Great freights a local shipping company, bases its charges on the weight of the items being shipped. in addition to changing 0.40$ per pound, great freights also charges a one-time fee of 10$ to set up a customers account.