Please help ASAP ! Will make is brainliest! Tell me if these 4-9 are invalid or valid!!! Thank you! Plus add the truth tables!!!

The purpose of a preliminary hearing in juvenile court isa-to determine if there is a probable cause to proceed with trialb-to determine if the juvenile will be a detailed pending trialc- to appoint counsel for the juvenile defendant d-to impose sentencing

Motorcyclists may have to suddenly change direction when encountering a. potholes and reflective markers b. yellow lights c. pavement seams and railroad crossings d. strong winds

Yo eat these free points uuppp cuz why not, right man? 30 to nom nom nym on.