Olivia's water bottle had 6 ounces of water in it. she took her bottle to the fountain and filled it until it had 32 ounces of water. how much water did she add? write an equation to represent this scenario.
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Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

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?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g