Me 10 an electrician bought 120 feet of electrical wire and used 105 feet of it what percent of wire went unused a. 15% b. 12.5% c. 8.75% d. 7%

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

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.

8.74 rounded to the nearest whole number