To the left of a boat is a rocky point and to the right is a small island. If the boat is situated 50 metres from the point, and 60 metres from the island, and the angle created by the point, the boat and the island is 47˚, calculate to the nearest metre the distance between the island and the point. Show your diagram. (3 marks)

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

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?