Due to temporary tax cuts in 2010, persons in the u. s. who earned $50,000 per year had a lower tax rate. on average, these persons retained 2% more of their income than before the cuts, due to the lower rate. the 2010 law also gave the same persons a separate $850 credit on their federal tax return, which means they were allowed to subtract $850 from the amount of taxes they owed. how much extra money did a typical person earning $50,000 receive due to the tax cuts?

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

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Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?