Find the value of x round to the nearest degree.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Ihave trouble finding the nth term of a linear sequence

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.