If you have three dimes 5 quarters + 6 nickels how much change do you have?

Perform the indicated operation. 8/a - 6/a + 7/a

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning