The perimeter of a rectangle is calculated by adding together the measurements of all four sides. For a given rectangle, the length measures
twice the width. If the rectangle's perimeter is 48 in, what does the length
measure in inches?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

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.

Here is another math questions. i will keep asking different questions. 4^2x=6