During the 2016 Democratic presidential primaries, Hillary Clinton and Senator Bernie Sanders were criticized for defining the American middle class as any household that makes $250,000 or less a year. At the time, the U. S. Census Bureau reported that the median income was $53,657 and the mean income was $75,738 for 2014.6 Would you agree or disagree with the Democratic candidates

Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.