Discover Questions

Will the results of an in vitro antibiotic sensitivity test always agree with the results of in vivo use of the antibiotic ? Why or why not? Can someone explain why is log (5x2) is not equal to log 5 x log 2? Find dy/dx using substitution method of differentiation. Y=cos (x+e^x)? Which parts of the blood carry the substances needed for respiration? Past tense of light, light a fire.?