Answer:
Option D. 2.51 is correct.
Step-by-step explanation:
Magnitude of first earthquake = 8.6
Let intensity of first earthquake be x

Magnitude of second earthquake = 8.2
Let intensity of second earthquake be y

Now, to find the factor by which intensity of first earthquake is greater than intensity of second : we divide equation (1) by equation (2)

Hence the required factor is 2.51
Therefore, Option D. 2.51 is correct.
If you are given that b = 2, then just plug it in:

So, your final answer is
0.
Answer:
option b is better because it would be 6 pounds cheaper than option a
Answer:
126
Step-by-step explanation:
25-2=23
2+3=5
23-5=18
7*18=126