Answer:
B
Step-by-step explanation:
Answer:
x+4= -2+4
x+4 = 2
Step-by-step explanation:
Answer:
60
Step-by-step explanation:
It is really easy just subtract the money with the percentage
Answer:
f(n)= 5 · 4

Step-by-step explanation:
You use the explicit formula for geometric sequence. The five is the firat term and is placed correctly. The 4 is the rate of change, because if you multiply 5 by 4 you get 20 and so on.