Anyone can u plsss i now failing math and i need to get this right, i get to redo it so plsss anyone

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

Math each whole number with a rational, exponential expression

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655