Christy earned $41.25 for selling 3 birdhouses at a craft market. The equation y=13.75x can be used to represent this situation. What is the constant of proportionality? Express your answer in decimal form.

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.

What is the measure of angle 1? a.28 b.152 c.168 d.64

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches