Find the total amount in an account to the nearest cent after 3 years if the interest is compounded twice a year
on an investment of $2800 at 3.125%

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

Which equation represents the function on the graph?

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?