$8.40 is what
percent of $28?
Please help

Name the most appropriate metric unit for each measurement like a length of an carrot

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.