Answer:
1 7/12
Step-by-step explanation:
Answer:
2(n-12)
Step-by-step explanation:
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.
Answer:6.928
Step-by-step explanation: formula A=√ 3*(side^2/4)
Answer:
You can
Step-by-step explanation:
To see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them.