Study the graph, and then answer the question.

marginal tax rate, tax paid, and tax share for those with incomes over $100,000 from 1920 to 1929

which statement best describes the trends shown in the graph?
as the highest tax rate was reduced in the 1920s, the economy grew.
as the highest tax rate was reduced in the 1920s, the economy struggled.
as the highest tax rate was increased in the 1920s, the economy grew.
as the highest tax rate was increased in the 1920s, the economy struggled.

When were the first 10 amendments to the constitution adopted and what was their purpose?

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a. static group comparisonb. pretest-posttest control group designc. control-group-time-series designd. nonrandomized control-group pretest-posttest design

Two types of survey questions are open questions and closed questions. an open question allows for any kind of response; a closed question allows for only a fixed response. an open question and a closed question with its possible choices are given below. list the advantages and disadvantages of each question. open question: what can be done to get students to eat healthier foods? closed question: how would you get students to eat healthier foods? 1. mandatory nutrition course 2. offer only healthy foods in the cafeteria and remove unhealthy foods 3. offer more healthy foods in the cafeteria and raise the prices on unhealthy foods what are the advantages of an open question?