Will give brainliest also worth 50 points

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?