Jessa deposited $3,210 in a savings account that earns 2.4% interest annually. what is her total balance after 5 years?

6n^2-7n-75=0 solve by quadratic formula

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?

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?