Select the correct answer. A faucet can fill a bathtub in 6 minutes. The drain can empty the tub in 10 minutes. If both the faucet and the drain are open at the same time,
this situation is represented by this expression, where t is the number of minutes it will take to completely fill the bathtub.
Which expression can also represent this situation?
OA + 16
60
OB. 1
Ос.
OD. 1

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

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?