Answer:
The answer is "
"
Step-by-step explanation:
Given values:

Using formula:

Put the values in the above formula:

The Mid-Atlantic Ridge. It's under the Pacific. Hope this helps!
Answer:
a
Step-by-step explanation:
sub to yfbg jay
The error is in the second step they subtracted 3 from both sides but it was a 3x, which you can not do.
Correction.
9x+18+3x=1
12x+18=1
12x=-17
x=-17/12