Han's house is 450 meters from school. Lin's house is 135 meters closer to school. how far is Lin's house from school

Can someone me out here and the tell me the greatest common factor

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle