Answer:
500
or around 1570
Step-by-step explanation:
The formula for a volume of a cylinder is 
9.11 kilometers
18.5 - 0.28 = 18.22
18.22 / 2 = 9.11
Answer:
Mass
Step-by-step explanation:
The set contains the values of x between 7 and 10. If x is an integer, it contains 8 and 9