Hi guys which one is bigger 0.5 or 00.5? pls answer this today i really need it

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

On her first stroke, maya hit a golf ball 146 yards, 2 feet, 11 inches. on her second stroke, she hit it 163 yards, 1 foot, 2 inches. how far did the ball go all together? convert the answer to larger units whenever possible.

Mathematician needed for homework plz 20 points