Which statement best summarizes how the Gupta Empire benefited from trade? Trade protected people from invasions. Trade helped grow the empire’s armies. Trade helped to control people’s choices. Trade created a strong economy within the empire.

Answer this question only if you know the 30 points and

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?