What is the center of the circle that has a diameter whose endpoints are (2, 7) and (-6, -1)?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

You have z baseball cards. christopher has 12 fewer baseball cards than you do. which expression correctly shows how many baseball cards christopher has?

To factor 4x2-25, you can first rewrite the expression as: