Robert wants to buy wrapping paper to cover a square-shaped painting. To determine the size of the wrapping paper needed for the painting, he adds 9 inches to each side of the painting. Robert picks out wrapping paper with a perimeter of 120 inches to wrap the square-shaped painting. The side length of the wrapping paper is inches, and the side length of the painting is inches.
Please help is due today

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1

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what is the question?

step-by-step explanation:

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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