Jane is studying the rate at which the sale of a particular brand of chocolate has increased over the years. the graph below shows the number of bars sold y, in thousands, after x years since the year 2000: graph of y equals 15 multiplied by 1.1 to the power of x

what does the y-intercept of the graph represent?

If value of cos330° is √3/2 then find tan165°.

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.

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?