Select all that have negative values. cot(3.14)
CSC(5 3.14/4)
sec(-65)
CSC(340)
sec(120°)

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?

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.