Ineed this equation solved with the work shown

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

What dimensions can créate more than one triangle ?

How to find the exponential function y=ca^x, with points (1,2) and (2,1)