Which sum or difference is modeled by the algebra tiles?
A (x2 - 2x + 3) - (-x2 - 4x - 2) = 2x - 1
OB. (x²-2x-3) + (x² - 4x+2) = 2x-1
C. (x2 - 2x - 3) - 12 + 4x + 2) = 2x - 1
OD. (x²-2x-3) + (-x² + 4x+2) = 2X-1

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

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?

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent