Write an inequality to represent each sit Professor Peterson is buying a writing desk The width of the desk must be less than 4 ft 1 3 An architect is measuring the height of every skyscraper in her hometown Her measurements show that each skyscraper is taller than 270 ft 2 A carpenter is using an air compressor that turns on when the internal pressure of the machine drops below 25 psi 4 A house has a thermostat to regulate the temperature The thermostat is set to turn the heat on when the temperature in the house is less than 65 F