Answer:
The mean is 8.
Step-by-step explanation:
The mean is the sum of a set of numbers divided by the number of numbers in a set. In this case, you add up all the numbers to get 56, and divide by 7 to get 8.
Answer:
D
Step-by-step explanation:
The answer is d, because a represents adults, and c represent children. It's $45 per adult, so $45a, and $30 per child, so $30c. a+c is equal to 10, because that's how many tickets were purchased. $45a+$30c=345, because $345 is the total amount spent on tickets.
Answer:
The ratio is 10 : 1, or 10 to 1
Step-by-step explanation:
Answer:
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
It's rational. The square root of 36 is either 6 or -6. Both are rational because both are integers.
