Compared to driving at 20 mph, about how much longer will it take for you to stop at 60 mph?
about twice as far
about six times as far
about nine times as far

Answer these questions showing your work plz

Through: (-3,-3) parallel to y= 7/3x+3

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.