What is the greatest common factor of 63 and 63?

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

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333