Please answer this correctly I want genius expert or ace people to answer this correctly as soon as possible as my work is due today

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?

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?