1) A recursively defined sequence is shown below.
4, = 5
4, + 1 = 20,- 7
The value of a . is
(1)-9
(2) -1
(3) S
(4) 15

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?