Acinema has 37 rows of seats 23 seats in each row adult tickets are £8 each child tickets are £6 the cinema has sold tickets for every seat the manager estimates that's £6400 was raised from these tickets 200 child tickets were sold. check whether the managers estimate was close to the exact amount of money raised

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut