The amount of water in a barrel decreases 9 5/8 pints in 7 weeks. It decreases the same amount each week. What is the change in the amount of water in 12 weeks?

answer is x<

so what is the problem what are they asking you to solve

step-by-step explanation:

so what is the problem what are they asking you to solve

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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i'm a sophomore in connections, i'd recommend checking on jishka.com they have a large range of questions and answers from our school.