Find the measurement of the angle indicated for each trapezoid

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

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics