Fifteen feet for all.
Yes, a technical foul is assessed as a personal foul in high school basketball.
Depends on the level. In high school and college, you foul out on your fifth foul. In the NBA, you foul out on your sixth foul.
There is no such thing as an intentional technical foul in high school basketball. Fouls that would give a team 2 free throws and the ball to inbound include an intentional foul, a technical foul and a flagrent foul.
You get five fouls before you foul out.
What happens after a foul in basketball
5 in High School & College and 6 in the NBA.
At a foul, time out, dead ball, etc.
When it is an offensive foul.