Been a while but I'm gonna try..! Okay!
For the Focus use the vertex to find it. (9/2 , 0)
For the directrix I believe it is. x = -9/2
Answer:

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Answer:
y=2x+3
Step-by-step explanation:
Answer:when the cells seem to be moving faster and multiply at a smaller rate of speed
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also thats just science
Answer:
34
Step-by-step explanation:
34