What linear expression would you add to -4y +2 to have the sum y?

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.

15 liters is approximately how many gallons

What value of s iwhat value of s is a solution to this equation? 27+6s=9ss a solution to this equation? 27+6s=9s