I need help I need to simplify-r+8(-5r-2) Options are: -6r-16 -6-2 -41r-2 -41r-16 Help very much appreciated thx loves an explanation on how to solve will be appreciated too
Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective