Answer:
b
Step-by-step explanation:
a x (b + c) = (a x b) + (a x c)
$20.70
Eighteen dollars
Fifteen percent of eighteen is 2.7
(.15 X 18)+18
Answer:
About 1.23 standard deviation above the mean
Step-by-step explanation:
From what we have here, we need to calculate the difference between the given value and the mean and divide by the standard deviation
That would be through calculating the z score as follows;
z-score = (x - mean)/SD
where x is the given value
z-score = (87-71)/13 = 1.23
Since the score is bigger than the mean, the correct choice here is that the score is about 1.23 standard deviation above the mean
Answer:
not sure i it is one of these answers but if so , it d
Step-by-step explanation:
Answer:
Because each of the two numbers is a factor of the product, and since the
product has at least those two factors, it's a composite number by definition.
Step-by-step explanation:
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