enables you to temporarily hide all the open windows except the one you are viewing.

well there is multiple ways to do that but the way i do it is swipe 4 fingers up on the mouse pad and it shows diffrent tabs.

Explanation:

i don't think so. although it would be nice. i am pretty sure that was an option an update or two ago. i guess they want you to stay 14 forever. haha.

no. when the asker posts the question they can make a question worth what ever they think is a fair price. although it must be within the limit of the points they currently own. 5 is the minimum number of points a question can be worth. if a question is complicated or has lots of parts to it, it is better to make it worth more because more people will be more willing to answer.

hope this !