What is the factorization of x^2 + x - 20 * a. (X - 5)(x-4)
b.(x + 5)(x - 4)
c. (x + 5)(x + 4)
d. You cannot factor this​

About 60% of the normal humanbeing's body weight is composed ofwater. how much of a 125 poundperson is water weight? f 72 pounds h 76 poundsg 75 pounds i 80 pounds

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Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?