I need help with these questions 1.) 5/9 x -3/8 = 2.) -7.14 x -2.6 = 3.) -6 1/3 / 2 5/6 = 4.) -34.932 / 4.1 = answer has to be in fraction form.

thank you!!

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step-by-step explanation:

the answer is simply just 6n add the two together as they have an n

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: