Determining the Vertex of a Parabola from Its Graph What is the vertex of the parabola in the graph?
6
4/
2
X
-6
4
-2
-2
-4

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Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?