What arithmetic sequence. 8, 7.3, 6.6, 5.9... What function describes the sequence

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

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Find the zeros of each function. f(x) = 6x^2 - 7x - 20