Find the perimeter (circumference) of the semicircular region. Round your answer to the nearest hundredth.
9 m

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

When y’all answer can y’all explain too !

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box