You buy 80 of your favorite songs from a Web site that charges $0.99 for each song What is the cost of 80 songs?

The price of a coat increased from $78 to $92. what is the price increase percentage?

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

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