Tina has £72.90 to turn into yen. How much greater is the amount of yen she would receive if she made her trade on the most favorable day than if she made her trade on the least favorable day? Round to the nearest whole yen. a. ¥172
b. ¥317
c. ¥819
d. ¥1,104

What is the equation of the graph below? y=sec(x)-4

Which function has the domain x> -11

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?