GUYS Pls answer this I am having a final math exam soon Pls answer this anyone. I will mark brainiest pls:

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

Which expression is rational? 6. , square root two, square root 14, square root 49

4+(2+x) can you me solve this problem