The water level of lake waxahatchie changes an average of - 5/12 of an inch every three years. which of the follow choices represents the correct order of division and quotient for the fraction -5/12?

question 6 options:

−5 ÷ 12 =−0.416¯

−5 ÷ 12 = −0.416

−12 ÷5 = −2.4

12 ÷ 5 = 2.4

answer: options?

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answer: plz put a pic in so i can answer it

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hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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