How do I write 125,740,689 in expanded form and in words

State if the two triangles are congruent. if they are, state how you know?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x