How to write a fraction as a mixed number or a whole number

What’s -11-33k and factor each expression completely

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.

Which of the following circles have their centers in the third quadrant? check all that apply.