The answer is (i.e. the answer with the misplaced adjective phrase) . . .
<em><u>A. Mr. Anderson made a table for his wife with three legs</u></em>.
This sentence makes it sound as if Mr. Anderson's wife has three legs, when in fact it is the table that has three legs.
Correctly written, it should look like this . . .
"Mr. Anderson made a table <em>with three legs</em> for his wife."
Yes the square root of 24 should be 6
True. There can be several Incidents that may be contained within the plot, but it doesn't define it.
For the first part, distinction's root word would be distinct and the suffix is
-tion.