Ethan installs tiles on the floor of a room with a length of 14 feet and a width of 12 feet. it takes 9 hours to install the tiles in the room. what is the average speed at which ethan can install the tiles? round to the nearest tenth.

Find the length of cu, the triangles are similar.

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?