about 58,000 gallons of oil spilled into the bay. let's say that 1 gallon of oil can make around 1.14 gallons of gasoline. suppose that an average car has a 15-gallon tank. how many cars could be filled with gasoline made from the spilled oil? assume that cars' tanks are empty before being filled.

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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?