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Can Some Mutations Be Adventageous And Some Deleterious In Differentv Environments? Integral from 0 to 4 of absolute value of (x^2 -4x +3) dx. I keep getting 4/3 and not 4...? 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)? What are some things about bears? The magnitude of the inclined reaction R1 at "A" would be what in lbs?