Complete the following expressions by filling in the blank to make it perfect square trinomial. 1.) x² + 6x +
2.) x² - 4x +
3.) x² + +16
4.) x² -+ 25
5.) ___x²+ 14x + 1

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David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10