Which expression is equivalent to 48 + 60

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.

Which graph represents the same relation is the sa which graph represents the same relation as the set {(-3-2)}

Put the following steps for calculating net worth in the correct order