A patient is placed on oral steroids with instructions to taper the dose over a 3-week period. The patient is to take 50 mg/day during week 1. The dose is to be reduced by 20% for week 2. In week 3, the dosage from week 2 is to be reduced by 50%. What is the correct dosage per day for week 3 (in mg)?

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?

Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?

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