Please HELP The recursive formula of an arithmetic sequence is described below. ai = 19, an = an-1 + 6
Which represents the explicit equation of this arithmetic sequence?
an
6n + 19
B
an =
6n + 13
an =
13n + 6
D
an =
19n + 6

Eiko is wearing a magic ring that increases the power of her healing spell by 30%30\%30%30, percent. without the ring, her healing spell restores health points. which of the following expressions could represent how many health points the spell restores when eiko is wearing the magic ring?