0.15 irrational or rational

Is a currency whose value is tied to another currency, meaning that the exchange is fixed

The diameter of a table is 5 feet. what is the circumference

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a