The ___ is the center of mass of the triangle. A. median
B. midpoint
C. orthocenter
D. centroid​

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Y=21.95x+10 y=22.45x solve by substitution

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25