4(2) - 5 = 3
4(5) - 5 = 15
4(8) - 5 = 27
4(9) - 5 = 31
so the answers are 3, 15, 27, and 31
Answer:
D
Step-by-step explanation:

Which is about .57
Answer:
see explanation
Step-by-step explanation:
The sum of the first 9 consecutive odd numbers is
1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 = 81
A) a=the initial value ($1650)
b=1-percent of decrease (0.81 or 81%)
B) About 3 years
Answer: approximately normal
Step-by-step explanation: