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What is the measure of angle tvu shown in the diagram below

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.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.