Answer: it’s B
Step-by-step explanation: I’m 100% sure hope this helps :D
If the given refers to set, I pick
{2, 4, 6} = {6, 4, 2}
In sets, as long as the same elements in this case, numbers, are present inside the bracket, the order will not matter and that they are still considered equal.
Answer:
she wrote

Step-by-step explanation:
For proper understanding let us format the question properly
Given the expression

Sandy's error can be observed in the second line of the solution where she made the mistake of writing
instead of 
hence the solution is supposed to be
Answer:
B
Step-by-step explanation:
You use FOIL (first, inner, outer, last). You then see what answer would get 47x for the middle...
(x-6)(8x+1) is the only one that gets 47x.
Then finish solving (x-6)(8x+1) to get 8x - 47x - 6
These trianges are similar because they are both right triangles.