About six-in-ten Americans say countries around the world, including the U.S., will not do enough to avoid the worst effects of climate change. This growing pessimism is driven by Democrats. Fresh ...
Same signs give a positive: \(3 + (+2) = 3 + 2 = 5\) Same signs give a positive: \(3 - (-2) = 3 + 2 = 5\) Different signs give a negative: \(3 + (-2) = 3 - 2 = 1 ...