Luis wants to buy a skateboard that usually sells for $79.25. All merchandise is discounted by 12%. What is the total cost of the skateboard if Luis has to pay a state
sales tax of 6.75%. Round your intermediate calculations and answer to the nearest
cent.

1.677

step-by-step explanation:

i'm not good at explaining stuff but if you need an answer i'm here for you.

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:

nope.   happens to me as well.

-aparri