The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one monday. the frequency distribution below summarizes the results. find the standard deviation. round your answer to one decimal place.

Multiply. write your answer in simplest form. 3/8 x 5/7

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce