Ireally need . does anyone know these last 6 questions. brainliest answer and 13 points

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Mr. zimmerman invested $25,000 in an account that draws 1.4 interest, compouneded annually. what is the total value of the account after 15 years

The radius of a sphere is 3 inches. which represents the volume of the sphere?