Angel wants to finish his dining room with quarter round molding. The room is 12’7” by 9’9”. How much molding will he need?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b