Tìm tập xác định của hàm số sau

y=[tex]\sqrt{sin2x-sinx+3}

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!