Please answer the question in the photo!

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample