The annual interest rate is 22%. The balance after the grace period was $30,000. A payment of $1,000 was made on the 6th day. Another payment of $1,000 was made on the 21st day. What is the interest for the month?

Don't know how to find x given these segment lengths

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?