Abox of fruit as three times as many nectarines as grapefruit. together there are 36 pieces of fruit. how many pieces of each type of fruit are there?

Ill mark the brainliest if you me with the these three questions 7,8,9

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

Will give a: 122 b: 90 c: 48 d: 180