Free points again have a good day

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

Find the dimensions of the circle. area = 64π in.² r= in.

Barrett is comparing the membership fees for two museums. the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?