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What effect do salt, and NaHCO3 respectively, have on the strength of hydrogen bonds and why? If something has a t value of -3.87 (test statistic) df=25 Xs Where does pressure come from a blunt force? Like how does a blunt object become sharp as a knife? On average, which place has more arrests per week F or P? A=0.05 Mean 1 (F)= 7.43 S1=0.75 N1=107... mean 2 (P)- 5.50 S2=0.25 N2=105? Suppose the random variable X follows the Best(3,2) distribution, which has the probability function f(x)= 12x^2(1-x)?