a customer opens a checking account and savings account at a bank. they will deposit a maximum of $600, some in the checking account, and some in the savings account. (they might not deposit all of it and keep some money as cash if the customer deposits $200 in their checking account =, what can you say about the amount they deposit in their savings account

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?