Let x^2−20x=10. what values make an equivalent number sentence after completing the square? enter your answers in the blanks x^2 - 20x + =

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.

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