Travis thompson uses his credit card to obtain a cash advance of $600 to pay for his textbooks in medical school. the interest rate charged for the loan is 0.04285% per day. travis repays the money plus the interest after 21 days.
a) determine the interest charged for the cash advance.
b) when he repaid the loan, how much did he pay the credit card company?

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Identify the graph of y = ln x + 1.

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?