<h2>Arithmetic Sequence</h2>

Answer:
y = 2.75x+6
Step-by-step explanation:
Original charge: $6
$2.75 per item which is unknown how many items. Therefore, the slope is 2.75.
Answer:
6.96195
Step-by-step explanation:
Solve by multiplying
25.785
0.270
------------
6.96195