The area of a square bedroom is 81 ft2. clara says the length of one wall could be 9 feet or -9 feet. what is clark's mistake? explain?

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

What is the solution to the equation in the & show work i’m very

Ten times the square of a non-zero number is eqaul to ninety times the number