Heidi has built a cubical water tank with lid for her house, with each outer edge 1.5m long. She gets the outer surface of the tank excluding the base covered with square tiles of side 25cm. Find much would she spend for the tiles, if the cost of tiles is Rs 360 per dozen.

the answer is c. hope this !

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hdjd

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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