On the research team of the eminent virologist Dr. Thomas Francis, who was working on a flu vaccine, was a young physician<span> named Jonas Salk.</span><span>
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<span>The standard form is , where the focus is (h,k + p)
vertex at the origin and a directrix at y = 5. p = -5 (focus is (0,-5)
x^2 = -20y OR y = (-1/20)x^2</span>
<span>Site ends in ".edu"
</span>An attribute of a website that will indicate a more reliable source of information is when the site ends in ".edu". It is a top level domain for education. It would mean that this particular site is linked with universities, colleges or other educational sites thus it gives more information that are real and factual.
Answer: The two closest synonyms for the word incentive would be either <u>motivation</u> or <u>reason.</u>
Explanation: This is because incentive means something that motivates or encourages someone to do something.
