Write an expression equivalent to 3(x-7)

Which math sentence can be used to determine if the triangle is a right triangle?

Jessie and bob are financing $425,500 to purchase a house. they obtained a 30/8 balloon mortgage at 6.55%. what will their balloon payment be?

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed