Subject: Add maths Pleasee helpp

f(x) is a cubic polynomial where the coefficient of x^3 is 1.
The roots of f(x) = 0 are -3, 1+ square root 2 and 1-square root 2.
Express f(x) as a cubic polynomial in x with integer coefficients.

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Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.