Advd player that regularly sells for $325 is marked down to $215.75. what is the discount rate?

What could explain what happened when the time was equal to 120 minutes

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?