Answer:
78
Step-by-step explanation:
Answer:
1. D -20
2. C (n-7)(n+6) / (n+4)(n-1)
Explanation:
The second one is actually:
(n−7)(n−1)(n+6)2(n+4)
But there isn't that one on the options so the closest one would be C.
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This problem is odd in that no information is given regarding the relationship, if any, between x and y, and (more importantly) x can't have both values -15 and 21. Please go back and ensure that you have copied down this problem precisely as it was given you.
Answer:
B. 40
Step-by-step explanation:
What do you understand by sample size; a sample size is a little portion of a large number we which to investigate. Imagine we wanted to know the electricity consumption of people in a town of 200million people sometimes we could do that be investigating that of 50million especially when you know the conditions would be no different from others. In this sense the sample size is 50 million because that's the one we are investigating.
Similarly our concern of interest for investigation is 40, so that's the sample size.
I have no idea what it could be