Which of these is equal to sin 21°? a) cos 21° b) cos 69° c) sin 69° d) tan 69°

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

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

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test