Please help. me teach this. show steps​
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Mathematics, 21.06.2019 18:00
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?
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Which value would be a solution for x in the inequality 47-4x< 7
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The square root of 9x plus 7 plus the square rot of 2x equall to 7
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