18(y-5)^2=x+3
do the algebra to make it into =x form
x=18y^2-180y+447
then you take the form of the focus, you can do the math
(-215/72, 5)
What the formula?
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Just write all of that but instead of in the box between each statement and reason write if then
267+21 = 288
288/9 = 32
the answer is 32 people will ride on each bus