Melissa made 15,000 in taxable income last year. suppose the income tax rate is 15% for the first $9000 plus 19% for the amount over $9000.
how much must melissa pay in income tax for last year?

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

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?