Answer:
f(f(5)) = 11
Step-by-step explanation:

I hope that is useful for you
225 miles / 45 miles/hr = 5hr
Answer:
£1.6
Step-by-step explanation:
£20 ÷ £2.3= 8 remainder 1.6
change= £1.6
The answer to your question is 10 2/5
Let's take any edge length l. The diagonal has length

. In our case it's