Mr. thompson took his 5 children to the bowling alley. the cost for children 12 and older is 3.50. the cost for children under 12 is 2.25. he spends a total of 16.25. how many of his children are 12 and older?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.