a 250g packed of 10 dised salt cost 150naira, azoka sack of salt costs 10,400naira. calculate the saving per kg by buying the zoka sack of salt​

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

One positive number is 9 more than twice another. if their product is 95, find the numbers

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =