- Need help understanding how to simplifying expression (x+9)-5, 8(-b - 4), 6(-5n+7)?

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Finding the area of the inscribed circle and finding the area of the shaded region? Find f.
f ''(x) = −2 + 36x − 12x^2, f(0) = 7, f '(0) = 18? Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1. z=0.24? Calculate the moments Mx and My and the center of mass of a lamina with the given density and shape.
ρ = 3? Fe(NO3)3 aq+ NaOH aq = Fe(OH)3 s
a. Write the balanced molecular equation for this reaction b. write the ionic equation for his reaction?