which characteristics might the counties represented by the bars on the right of the distribution have in common ?

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 is the value of x in the diagram below?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1