Please help :( really having trouble answering these questions..

1. Recently, 200 college graduates were polled about their college major. College Major Frequency Relative Frequency Math 20 Business 35 Blology 26 Psychology 22 Art 30 Engineering 23 Health Science 46 a. Use the table above to create a relative frequency chart for this data. b. Could a pie chart be used to summarize this data? Explain why or why not. c. if a pie chart was used to summarize this data which major would have the smallest slice? 2. Fill in the blanks for the frequency distribution shown below, Ages Frequency Relative Frequency 11-20 21-30 29 15/80