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The answer is B. hope that help
Ŷ<span> “y-hat” = predicted average y value for a given x, found by using the regression equation.
</span>p̂ “p-hat” -----> <span>proportion
</span>I can't type y-bar but its a straight line on the top of letter y.
The value of c that makes up a perfect square trinomial is
9x^2 - 12x +c

originally. Then you reduces the side lengths a so it will be

Just note that 40% is the same as 2/5.<span />