Carly is making three cakes for the bake sale. the second cake requires 1/2 cup more flour the the first cake. the third cake requires twice the amount of flour as the first cake. the two-pound bag of flour she bought has 8/1/2 cups-exactly the amount she needs. how much flour is needed for each cake

Ascientist successfully predicts the outcome of an experiment. you watch carefully and know he didn't cheat. the scientist's success shows that: a) the scientist knows absolute truth about this experiment; success is not possible unless you know the truthb) the scientist was just lucky; no one ever knows what's going on, so successful predictions require luckc) the scientist may know the truth, or at least know something that is close to the truth, or the scientist may have gotten lucky this time; you can't be absolutely sured) the scientist really was cheating, even though you didn't see the cheating; no one can get things right, except by cheatinge) the scientist spent the night at a particular hotel chain and go a free breakfast, giving the scientist the ability to do amazing things