The recursive formula of an arithmetic sequence is described below. a1= 19, an = An-1 + 6
Which represents the explicit equation of this arithmetic sequence?

A: an= 6n + 13
B: an= 13n + 6
C: an= 19n + 6
D: an= 6n + 19

2-3 6. use your equation to find how high tyler will have to climb to scale the peak. (4 points: 2 points for correctly substituting values, 2 points for the correct height)

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

For each proportion find the unknown number x 1/5/8=×/15