Helen has 20 knit hats to sell. She has 5 green hats, 8 blue hats, and 7 orange hats. She will choose a hat and record its color. Without replacing the hat. she will randomly choose a second hat and record its color. What is the probability of choosing two blue hats in a row? 56/361 4/25 14/95 7/50 1/25​

76%

step-by-step explanation:

24% are dogs and the remaining is 76% because 100-24=76

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step-by-step explanation:

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

part a: 1.08

part b: 27.59