What is a good acronym to remember the metric conversions?

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Nikolas calculated the volume of the prism. his work is shown below.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.