Carl can paint a house in 8 hours. After he had been working for 1 hour, his brother Gomer started helping him. It then took them 3 more hours to finish. How long would it take Gomer to paint a house by himself?

depending on others is critical to survival. my source is apex!

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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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for the free

ok thats very interesting