Match each radical expression with an equivalent expression. Select yes if they match and no if they don't.

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23x2y−−−−√ 2x6xy2−−−−√ 2y2x4−−−√ 3x22y4−−−√ xy18x2y2−−−−−−√ [ Select ] [ Select ] [ Select ] [ Select ] x12y−−−√ [ Select ] [ Select ] [ Select ] [ Select ] x28y2−−−√ [ Select ] [ Select ] [ Select ] [ Select ] y24x3−−−−√ [ Select ] [ Select ] [ Select ] [ Select ]

idk

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: