Which equation describes a line that passes through (-5,-8) and is perpendicular to y = 5/4x + 10 A. Y = -0.8x - 12
B. Y = -1.25x - 14.25
C. Y = 1.25x - 1.75
D. Y = -0.8x + 3

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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the answer is a. 72. but i cant answer with less than 20 characters so here's some random text talking about it.