Combine the like terms to create an equivalent expression: \large{-n+(-3)+3n+5}−n+(−3)+3n+5min us, n, plus, left parenthesis, minus, 3, right parenthesis, plus, 3, n, plus, 5

Which choice represents the sample space ,s for this event

Look at attachment. has all info needed. need

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