Joe and Keira were putting their money together to buy a present for their mom. Joe had $15 and together they had more than $30.​

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.

Which of the following tables represents exponential functions?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?