Help me with this and ill give brainliest!

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

Solve the equation for b: a= (1/2)(b)(h)

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour. is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers