16pi
Step-by-step explanation:
pi x r² = ans ÷ 4 = Answer for area
Pi×8²=64pi ÷ 4 = 16pi
Answer:
16 divided by 14.24 = 1.12359550562
If you round it would be: $1.12
Answer:

Step-by-step explanation:

Answer: 12
Step-by-step explanation:
if there are 2 people then doing the same job then that means divide by two so 8 which is off the 28 , 8 divided by 2 is 4, then, that makes 24 , and 24 divided by 2 is 12 so the answer is 12
The mechanical advantage is found by dividing Rw by Ra:
Mechanical advantage = 18 / 2 = 9