Express 3.81 as a mixed number

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

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

How are sas and sss used to show that two triangles are congruent?