Which expression has a sum of one and eight thirtieths? Question 5 options:

three sixths + three fifths

four sixths + three fifths

four sixths + four fifths

five sixths + one fifth

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

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.