. A man travels 13km by bus , 8km by car and y km by train . If the man has to travel a total of 30 km , find y. *

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

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.