What is the value of .1591 rounded to the Nearest Tenth?

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?