Answer:
25 because the 8 values must times with 7 and will get 56. when the ninth value added , let the ninth value as y , 56+y , the new mean is 9 . so it will be like this , 56+y over 9 times with 9
Answer:
f(8) = 4.92`
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
(x+2)©= x©+4x+4
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Answer:
b. 4
Step-by-step explanation:
Answer: 14 x 10^9
Step-by-step explanation: