Simplify: (-5a^3-2a^2) - (6a^3+9a^2+8a)

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Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Write an algebraic expression for the word expression the quotient of c and 8

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125