A = ((x\sqrt{x} )/(x\sqrt{x} +x+\sqrt{x} +1)+1/(x+1)):(\sqrt{x} -1)/(x+1) a, Tìm x để A có nghĩa
b, Rút gọn biểu thức A

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10