Ivanna bought a sofa on sale for $316.80. this price was 64% less than the original price. what was the original price? (from aleks)

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

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3