Answer:
f(n)=f(8)-2(8-1)
Step-by-step explanation:
i think this is right
Answer: 2nd one.
Step-by-step explanation:
Answer:
The radius is<em> 5</em>
Step-by-step explanation:
The radius is <em>half</em> the circumference. Therefore, <em>10 ÷ 2 = 5.</em>