Write the point slope form and the slope intercept form and Standard Form of the equation of the line that goes through the points (-10, 1) and (5, 11).

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.