1 and 2 are supplementary angles. If mZ1 = (2x)" and mZ2 = (6x+20)', then find the measures of these angles.

What conclusion can be drawn about the location of the city of syracuse? it was built on the coastline due to easy access to the red sea. it was built on the coastline due to easy access to the mediterranean sea. it was built inland to protect it from invaders sailing in from the mediterranean sea. it was built inland to protect it from invaders sailing in from the red sea.