What is the greatest common factor of the terms 14c2d and 42c3d ?

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Which statement justifies why angle ebc measures 90?

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.