Answer:

-10416
Step-by-step explanation:
a = 4
r = -5
geometric series: 
Determine which term = -12500:








Using geometric sum series formula: 
Therefore, 
Answer:
$94.50
Step-by-step explanation:
you saved $31.50
Answer: I do not think that failing one class will effect your entire 6th grade year. Although, this is best discussed with your teachers or parents/guardians.
Answer:
$18.75
Step-by-step explanation:
11.25 - 10.50 = 0.75
0.75 • 25 = 18.75