Can someone answer this question please help me I need it answer it correctly please

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

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)