A narrow rectangular banner is 5 inches wide. it is6 times as long as it is wide. what is the area of the banner

125 inches^2

Step-by-step explanation:

We already know that the width is 5 inches so you don't need to do anything there. To find the width, you multiply 5 by 5 which is 25. Then to find the area, you do length times width which is 25*5. That gets you 125 inches squared.

180

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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