<em>Solution finder </em> fits perfectly
It depends on your learning type (kinetic, visual, auditory, etc.) however most evidence proves that A.) quizzing yourself would be the best answer
The voice of the following sentence is in PASSIVE voice. Active voice means that the noun performing the action is stated first before the object. The correct answer is letter "A. Passive". If the sentence is changed into active voice, it would be like this: "The movers moved the sofa into the living room." I hope this helps.
It depends on what you need it for, if you have a lot of things that you need to pin up so you don't loose them one would be great. If you don't well then it might not be for you...