In your notebook, set up the following addition using a vertical format and find the sum of the given polynomials. 2mn + 4n 2 and 5m 2 - 7mn a.9m2 + 9mn - 4n2 b.5m2 - 14mn - 4n2 c.5m2 - 5mn + 4n2 d.5m2 + 5mn - 4n2

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“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .