Simplify. 6x-^2

a) 6/x^2

b) x^2/6

c) 1/6x^2

d) 1/36x^2

If 6 also had the -2 exponent answer would be D if not then A

Sorry if I am incorrect, but the answer seems like D. 1 / 36x ^2

Step-by-step explanation:

the monthly balance will be $75,000

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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: