A box that weighs 79.5 N on Earth is taken to the Moon, where the acceleration due to gravity is 1.60 m/s2. The mass of the box on the Moon will be kg.

3is a crest4 is a trough 2 is the amplitude 1 is the wavelength

Alinear relationship would look like a straight line on the graph. it could have a positive negative or 0 slope. so it could be a line potentially going in any direction but it must be perfectly straight.