What is conserved in physical changes?

shape
energy
mass
density

Wrote and expression for the difference of p and 4

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by

What ia the sum if the first 7 terms of the geometric series