Which additional fact would prove that quadrilateral WXYZ is a parallelogram? A. XY = YZ
B. m∠X + m∠Y = 180°
C. YZ = WX
D. m∠Y ≅ m∠W

Someone me what is the area of this figure? 18m 18m 8m 16m

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?