- Maths problem: is angle between two vectors affected by their direction?

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3/x-4=5/3? Find the discriminant for thequadratic equations and use it to determine the number of roots or real solutions it has.
x^2-2x+8=0? If a metal disc is heated.What properties of it will change? Volume,Mass,Density Radius,Length,Width Etc.? Are my first cousins distant family in a relation wise so blood and genes ? The midpoint of AB is (3,4). If the coordinates of B are (6,6) what are the coordinates of A?