10 - 18 divided by 2 2/8

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.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.