Answer:
1183
Step-by-step explanation:
Common difference:
d = 31 - 15 = 16
nth term:

Here, 


<h2>i think it is 168ft im not sure though</h2>
Answer:
(-3.5 8.5)
Step-by-step explanation:
Midpoint Formula: (
,
)
What I did: -10 + 3 = 7, 7 / 2 = 3.5 x = 3.5 | 9 + 8 = 17, 17 / 2 = 8.5
Midpoint = (-3.5, 8.5)
The total money in august minus the total at the end of december (250)
5 is the answer you are looking for