Solve for x: 3(2x + 5) = 27

The heaviest 16% of all men in weight weigh more than how many pounds ?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.