Arithmetic Sequence Formula: An = d(n-1)+ a1 A movie rental club charges $4.95 for the first month's rentals. The club charges $12.95
for each additional month. Use the arithmetic sequence formula to write an equation to
represent the sequence. Then, find the total cost for one year.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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.

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)