Achef bought 4 1/6 ponds of carrots. if he later bought another 2 4/7 pounds of carrots, what is the total weight of carrots he bought? answer as a mixed number

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards