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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)? How is the answer 7 for this problem? What is the answer to this problem: 3(2p-3)? HELP CHECK FOR EXTRANEOUS SOLUTIONS? How would you prepare 300ml of a 0.6M solution from a 4M stock solution?