Answer:
D
Step-by-step explanation:
When iron reacts with air and water, it forms Iron (III) oxide, also known as rust, which is reddish-brown.
Answer:
103.13
Step-by-step explanation:
A=πr2
C=2πr
A=C2
4π=362
4·π≈103.1324
Answer:
x ---- y
1 ---- 3
4 ---- 12
6 ---- 18
Step-by-step explanation:
Given

Required
Create a table that represents this scenario
Because x represents time, x can not be negative. So, the domain of x is:

Assume 

Assume x = 4

Assume x = 6

Hence, the table is:
x ---- y
1 ---- 3
4 ---- 12
6 ---- 18
The answer would be 7.225.