HELP ME What is the radius of a hemisphere with a volume of 10470 in", to the nearest tenth
of an inch?

The measure of angle 0 is 600 degrees

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.

Pls never taught i’m really confused and i rlly need