How many solutions are there to this nonlinear system?

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 of the following expressions is equal to 2x^2+8

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x