Help please! I'll mark brainliest

What is the approximate circumference of the circle shown below? 12.2 cm

Jessica finds out that the government introduced a new trade policy that will increase import tariffs. she calls for a meeting of all of the company'sdepartment heads to address this issue, since the new tariffs may increase the company's production costs. what is the purpose of this meeting? o a. operationsb. financec. strategic planningod. marketing

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine