If x = 3 solves the system shown below , what must be the value of a? y = 5x - 8 y = ax + 19

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

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