It is given that the weight of the barbel is given by:

It says that there are eight pair of weights so x can take values from 0 to 8 and f(x) can take the values as follows:

So the range is:

Option B is correct.
The answer is d. Hopefully you get it right
Answer:
32 kilowatt-hours.
Step-by-step explanation:
The energy usages per day (in kilowatt-hours) of houses on Hamlet Avenue are listed below:
30, 23, 38, 36, 33.
Therefore, the mean energy usage per day of the houses of Hamlet Avenue will be
= 
= 32 kilowatt-hours.
The mean of n numbers is given by,
. (Answer)
Answer: so the answer is -9 + 23*7 = 152
Step-by-step explanation: a24 = a1 + (24-1)d where a1 = -9 and d = common difference ( 12-5 = 7)
Hope this helped :D
Total area: pi*9^2 = 81pi
Shaded area = Total area / 3, because 120/360 = 1/3
So Shaded area = 81pi/3 = 27pi