Please help me with this i beg of u plzzz due tomorrow

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.

Sara is flying a kite at the park. the angle of elevation from sara to kite in the sky is 53° and the length of the string is 32 feet. of sara is 5 feet tall how far off the ground is the kite

Which is the absolute value function corresponding to the graph with these characteristics? vertex is at (-2, k) v-shaped graph opens in the downward direction coefficient a is 4 left arm passes through point (-3, -1)