What is one and a half times a right angle?

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

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

Issof claims that the scale factor is 1/2. which statement about his claim is correct