how much money will you have if you invest the following?

p=3000,t=7,r=12% 5.$3,000 EACH YEAR FOR 7 years at 12% ? F 6. $3,000 EACH YEAR FOR 7 years at 5% ? 7. $4,000 EACH YEAR FOR 30 years at 10% ? 8. $4,000 EACH YEAR FOR 40 years at 12% ? 9. $2,000 EACH YEAR FOR 30 years at 8% ? 10. $2,000 EACH YEAR FOR 40 years at 7%