It's the slope-point formula:

We have:

Therefore, the slope 
0.0182=(0 x 1)+ (0/10) + (1/100) + (8/1000) + (2/10000).
are you sure you wrote that right?????
Answer:
THe HCF is 4 and the LCM is 24. The sum of 24 and 4 is 28. The answer is 28.
Step-by-step explanation:
HCF:
8: 1, 2, 4, 8
12: 1, 2, 3, 4, 6, 12.
LCM:
8: 8, 16, 24, 32, 40
12: 12, 24, 36, 48