F(x)=-2x-3 and g(x)=5x-6.
find 2f(x)-3g(x)+f(x)

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

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What is the factored form of the following expressions? d^2 – 13d + 36