- What is inside a magnet?

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HELP!!! suppose that it is given that E(X)=4. What is E(32X+3) Suppose that it is given that V(X)=42.8. What is V(9 X + 98)? A kid moving 3.18 m/s jumps on a slip and slide (Uk=0.0751). How far has he slid when his velocity is reduced to 2.00 m/s?
Please help!!? Is this wood fossil? How to participate in Saturday Market? If m<3=2x and m<2=3x, what is the measure of <1?