Which statement proves that the diagonal of square pqrs are perpendicular inspectors of each other

Someone who has a lot of friends definitely has better social health than someone with only a few close friends. a. true b. false

Should basketball replace baseball as americans national pastime?

Knowing if a patient has tuberculosis, hepatitis b, or aids is important because a. serious illnesses should be avoided. b. they could compromise the vital sign readings. c. cross-infection may occur. d. they can't be cured.