Mathematics, 25.04.2020 12:03 shaee7335

Is the answer A or B or C or D??

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Mathematics, 21.06.2019 21:50, zymikaa00

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

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Mathematics, 21.06.2019 22:10, tiphannyk

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

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Mathematics, 21.06.2019 23:30, laywah4

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

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Mathematics, 22.06.2019 01:00, justkevin1231

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?