Eugene wants to determine the surface area of the cube’s net to the right. Which equation is correct? A. SA = 7m(7m)(6)
B. SA = 7m(7m)(7m)
C. SA = 7m + 7m + 7m
D. SA = 7m(7m) + 7m(7m) + 7m(7m)

the answer is c hope it

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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step-by-step explanation: