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Multiply.(2x + 9)2

Factor the polynomial completely.-21a3 + 12a

Factor the polynomial completely.-27a3 + 15a

Use the slope-intercept form of the linear equation to write the equation of the line with the given slope and y-intercept.Slope ; y-intercept (0, 7)

Solve the equation.x2 + 6x = 27

Find the domain and the range of the relation. Then determine whether the relation is a function.{(-3, 8), (1, 3), (3, 2), (6, -2)}

Find the degree of the polynomial.-13×3 – 8x3y + 3

Determine whether the ordered pair is a solution of the given equation.y = 4×2 – 1; (2, 16)

Simplify. Write the answer with positive exponents.   

Multiply.(9x + 11)2