A.

B.

Megan's solution isn't correct.
The first mistake: she subtracted 5x from the right-hand side of the equation, but added 5x to the left-hand side.
The second mistake: she divided the right-hand side of the equation by 11, but didn't divide the left-hand side.
The correct solution:
Answer:
-0.04x+0.9
Step-by-step explanation:
Yes it is.
2.58, 2.6, 2 5/8 can be converted into 2.625, and 2 2/3 can be converted into 2.66 repeating.
2.58, 2.6, 2.625, 2.66 for a recap.
Answer:
27/4 or 6 3/4
Step-by-step explanation:
I can't put it in the box because its gonna take to long but it is correct