Express 1-27x^-3/x÷(x^3+3x+9)(x-3)/x^5-3x^4 as a single fraction

Quickly professor amin believes that different states of consciousness are each associated with increased levels of activity in specific, different parts of the brain. develop at least one possible hypothesis professor amin might want to study to test this belief and design an experiment to test the hypothesis. use the following terms correctly in your response.independent variabledependent variableoperational drugsrem sleephypnosis tip: you may use the terms in points 3 through 7 in your experimental design and score those points, or you may provide a separate explanation for each of the terms tip #2: define the term first and then apply it to the prompt. this will you organize your thoughts and make your response clearer.