In trouble if anyone can help I would appreciate it

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Which unit of measure would be the most appropriate to measure the capacity of a bottle of nail polish? a. fluid ounces b. cups c. pints d. quarts e. gallons

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement