From the details in the article, what inference can you make about Katie? A) Katie is well-meaning but sometimes impractical.
B) Katie is hardworking and generous to others.
C) Katie is friendly but prefers to keep to herself.
D) Katie is free-spirited and love to have a good time.

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.

Multiplying fractions by whole number 5 x 1/3=?

Which of the following parabolas opens up?